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Finding the Fourth Proportional to 6,590.92, 9,888.24 and 3,671.32

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Solution

The fourth proportional to 6,590.92, 9,888.24 and 3,671.32 is: 5,508.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590.92 : 9,888.24 = 3,671.32 : x
  2. Step 2: Convert to fraction form
    6,590.92/9,888.24 = 3,671.32/x
  3. Step 3: Cross multiply
    6,590.92x = 9,888.24 × 3,671.32
  4. Step 4: Simplify right side
    6,590.92x = 36,302,893.28
  5. Step 5: Solve for x
    x = 36,302,893.28/6,590.92
  6. Step 6: Final answer
    x = 5,508.02

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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.