Home / 7,349.88-10,146.15-4,700.86

Finding the Fourth Proportional to 7,349.88, 10,146.15 and 4,700.86

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Solution

The fourth proportional to 7,349.88, 10,146.15 and 4,700.86 is: 6,489.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,349.88 : 10,146.15 = 4,700.86 : x
  2. Step 2: Convert to fraction form
    7,349.88/10,146.15 = 4,700.86/x
  3. Step 3: Cross multiply
    7,349.88x = 10,146.15 × 4,700.86
  4. Step 4: Simplify right side
    7,349.88x = 47,695,630.69
  5. Step 5: Solve for x
    x = 47,695,630.69/7,349.88
  6. Step 6: Final answer
    x = 6,489.31

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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.