Home / 7,747.28-10,686.76-4,602.86

Finding the Fourth Proportional to 7,747.28, 10,686.76 and 4,602.86

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Solution

The fourth proportional to 7,747.28, 10,686.76 and 4,602.86 is: 6,349.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.28 : 10,686.76 = 4,602.86 : x
  2. Step 2: Convert to fraction form
    7,747.28/10,686.76 = 4,602.86/x
  3. Step 3: Cross multiply
    7,747.28x = 10,686.76 × 4,602.86
  4. Step 4: Simplify right side
    7,747.28x = 49,189,660.13
  5. Step 5: Solve for x
    x = 49,189,660.13/7,747.28
  6. Step 6: Final answer
    x = 6,349.28

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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.