Home / 7,538.13-10,402.61-4,393.71

Finding the Fourth Proportional to 7,538.13, 10,402.61 and 4,393.71

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Solution

The fourth proportional to 7,538.13, 10,402.61 and 4,393.71 is: 6,063.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.13 : 10,402.61 = 4,393.71 : x
  2. Step 2: Convert to fraction form
    7,538.13/10,402.61 = 4,393.71/x
  3. Step 3: Cross multiply
    7,538.13x = 10,402.61 × 4,393.71
  4. Step 4: Simplify right side
    7,538.13x = 45,706,051.58
  5. Step 5: Solve for x
    x = 45,706,051.58/7,538.13
  6. Step 6: Final answer
    x = 6,063.31

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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.