Home / 8,319.18-11,480.37-4,782.12

Finding the Fourth Proportional to 8,319.18, 11,480.37 and 4,782.12

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Solution

The fourth proportional to 8,319.18, 11,480.37 and 4,782.12 is: 6,599.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.18 : 11,480.37 = 4,782.12 : x
  2. Step 2: Convert to fraction form
    8,319.18/11,480.37 = 4,782.12/x
  3. Step 3: Cross multiply
    8,319.18x = 11,480.37 × 4,782.12
  4. Step 4: Simplify right side
    8,319.18x = 54,900,506.98
  5. Step 5: Solve for x
    x = 54,900,506.98/8,319.18
  6. Step 6: Final answer
    x = 6,599.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.