Home / 6,630.32-9,149.93-3,646.13

Finding the Fourth Proportional to 6,630.32, 9,149.93 and 3,646.13

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Solution

The fourth proportional to 6,630.32, 9,149.93 and 3,646.13 is: 5,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.32 : 9,149.93 = 3,646.13 : x
  2. Step 2: Convert to fraction form
    6,630.32/9,149.93 = 3,646.13/x
  3. Step 3: Cross multiply
    6,630.32x = 9,149.93 × 3,646.13
  4. Step 4: Simplify right side
    6,630.32x = 33,361,770.29
  5. Step 5: Solve for x
    x = 33,361,770.29/6,630.32
  6. Step 6: Final answer
    x = 5,031.70

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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.