Home / 6,521.30-9,781.95-6,236.90

Finding the Fourth Proportional to 6,521.30, 9,781.95 and 6,236.90

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Solution

The fourth proportional to 6,521.30, 9,781.95 and 6,236.90 is: 9,355.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.30 : 9,781.95 = 6,236.90 : x
  2. Step 2: Convert to fraction form
    6,521.30/9,781.95 = 6,236.90/x
  3. Step 3: Cross multiply
    6,521.30x = 9,781.95 × 6,236.90
  4. Step 4: Simplify right side
    6,521.30x = 61,009,043.96
  5. Step 5: Solve for x
    x = 61,009,043.96/6,521.30
  6. Step 6: Final answer
    x = 9,355.35

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Similar ratio
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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.