Home / 7,344.13-10,134.90-4,200.32

Finding the Fourth Proportional to 7,344.13, 10,134.90 and 4,200.32

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Solution

The fourth proportional to 7,344.13, 10,134.90 and 4,200.32 is: 5,796.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344.13 : 10,134.90 = 4,200.32 : x
  2. Step 2: Convert to fraction form
    7,344.13/10,134.90 = 4,200.32/x
  3. Step 3: Cross multiply
    7,344.13x = 10,134.90 × 4,200.32
  4. Step 4: Simplify right side
    7,344.13x = 42,569,751.49
  5. Step 5: Solve for x
    x = 42,569,751.49/7,344.13
  6. Step 6: Final answer
    x = 5,796.44

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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.