Home / 5,520.18-8,280.18-1,360.22

Finding the Fourth Proportional to 5,520.18, 8,280.18 and 1,360.22

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Solution

The fourth proportional to 5,520.18, 8,280.18 and 1,360.22 is: 2,040.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.18 : 8,280.18 = 1,360.22 : x
  2. Step 2: Convert to fraction form
    5,520.18/8,280.18 = 1,360.22/x
  3. Step 3: Cross multiply
    5,520.18x = 8,280.18 × 1,360.22
  4. Step 4: Simplify right side
    5,520.18x = 11,262,866.44
  5. Step 5: Solve for x
    x = 11,262,866.44/5,520.18
  6. Step 6: Final answer
    x = 2,040.31

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Half scale
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Double scale
Find fourth proportional to 5,521.18, 8,281.68 and 1,361.22
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.