Home / 7,542.10-10,405.29-4,355.02

Finding the Fourth Proportional to 7,542.10, 10,405.29 and 4,355.02

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Solution

The fourth proportional to 7,542.10, 10,405.29 and 4,355.02 is: 6,008.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.10 : 10,405.29 = 4,355.02 : x
  2. Step 2: Convert to fraction form
    7,542.10/10,405.29 = 4,355.02/x
  3. Step 3: Cross multiply
    7,542.10x = 10,405.29 × 4,355.02
  4. Step 4: Simplify right side
    7,542.10x = 45,315,246.06
  5. Step 5: Solve for x
    x = 45,315,246.06/7,542.10
  6. Step 6: Final answer
    x = 6,008.31

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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.