Home / 5,240.18-7,228.28-3,114.96

Finding the Fourth Proportional to 5,240.18, 7,228.28 and 3,114.96

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Solution

The fourth proportional to 5,240.18, 7,228.28 and 3,114.96 is: 4,296.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.18 : 7,228.28 = 3,114.96 : x
  2. Step 2: Convert to fraction form
    5,240.18/7,228.28 = 3,114.96/x
  3. Step 3: Cross multiply
    5,240.18x = 7,228.28 × 3,114.96
  4. Step 4: Simplify right side
    5,240.18x = 22,515,803.07
  5. Step 5: Solve for x
    x = 22,515,803.07/5,240.18
  6. Step 6: Final answer
    x = 4,296.76

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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.