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Finding the Fourth Proportional to 6,339.61, 9,506.98 and 4,385.89

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Solution

The fourth proportional to 6,339.61, 9,506.98 and 4,385.89 is: 6,577.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339.61 : 9,506.98 = 4,385.89 : x
  2. Step 2: Convert to fraction form
    6,339.61/9,506.98 = 4,385.89/x
  3. Step 3: Cross multiply
    6,339.61x = 9,506.98 × 4,385.89
  4. Step 4: Simplify right side
    6,339.61x = 41,696,568.51
  5. Step 5: Solve for x
    x = 41,696,568.51/6,339.61
  6. Step 6: Final answer
    x = 6,577.15

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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.