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Finding the Fourth Proportional to 6,335.40, 9,503.10 and 4,488.60

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Solution

The fourth proportional to 6,335.40, 9,503.10 and 4,488.60 is: 6,732.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,335.40 : 9,503.10 = 4,488.60 : x
  2. Step 2: Convert to fraction form
    6,335.40/9,503.10 = 4,488.60/x
  3. Step 3: Cross multiply
    6,335.40x = 9,503.10 × 4,488.60
  4. Step 4: Simplify right side
    6,335.40x = 42,655,614.66
  5. Step 5: Solve for x
    x = 42,655,614.66/6,335.40
  6. Step 6: Final answer
    x = 6,732.90

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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.