Home / 6,630.61-9,150.47-3,646.57

Finding the Fourth Proportional to 6,630.61, 9,150.47 and 3,646.57

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Solution

The fourth proportional to 6,630.61, 9,150.47 and 3,646.57 is: 5,032.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.61 : 9,150.47 = 3,646.57 : x
  2. Step 2: Convert to fraction form
    6,630.61/9,150.47 = 3,646.57/x
  3. Step 3: Cross multiply
    6,630.61x = 9,150.47 × 3,646.57
  4. Step 4: Simplify right side
    6,630.61x = 33,367,829.39
  5. Step 5: Solve for x
    x = 33,367,829.39/6,630.61
  6. Step 6: Final answer
    x = 5,032.39

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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.