Home / 5,266.30-7,264.20-3,140.34

Finding the Fourth Proportional to 5,266.30, 7,264.20 and 3,140.34

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Solution

The fourth proportional to 5,266.30, 7,264.20 and 3,140.34 is: 4,331.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.30 : 7,264.20 = 3,140.34 : x
  2. Step 2: Convert to fraction form
    5,266.30/7,264.20 = 3,140.34/x
  3. Step 3: Cross multiply
    5,266.30x = 7,264.20 × 3,140.34
  4. Step 4: Simplify right side
    5,266.30x = 22,812,057.83
  5. Step 5: Solve for x
    x = 22,812,057.83/5,266.30
  6. Step 6: Final answer
    x = 4,331.70

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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.