Home / 7,288.11-10,057.18-4,302.86

Finding the Fourth Proportional to 7,288.11, 10,057.18 and 4,302.86

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Solution

The fourth proportional to 7,288.11, 10,057.18 and 4,302.86 is: 5,937.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.11 : 10,057.18 = 4,302.86 : x
  2. Step 2: Convert to fraction form
    7,288.11/10,057.18 = 4,302.86/x
  3. Step 3: Cross multiply
    7,288.11x = 10,057.18 × 4,302.86
  4. Step 4: Simplify right side
    7,288.11x = 43,274,637.53
  5. Step 5: Solve for x
    x = 43,274,637.53/7,288.11
  6. Step 6: Final answer
    x = 5,937.70

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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.