Home / 4,951.32-7,421.85-1,663.31

Finding the Fourth Proportional to 4,951.32, 7,421.85 and 1,663.31

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Solution

The fourth proportional to 4,951.32, 7,421.85 and 1,663.31 is: 2,493.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.32 : 7,421.85 = 1,663.31 : x
  2. Step 2: Convert to fraction form
    4,951.32/7,421.85 = 1,663.31/x
  3. Step 3: Cross multiply
    4,951.32x = 7,421.85 × 1,663.31
  4. Step 4: Simplify right side
    4,951.32x = 12,344,800.21
  5. Step 5: Solve for x
    x = 12,344,800.21/4,951.32
  6. Step 6: Final answer
    x = 2,493.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.