Home / 8,318.08-11,478.40-6,554.24

Finding the Fourth Proportional to 8,318.08, 11,478.40 and 6,554.24

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Solution

The fourth proportional to 8,318.08, 11,478.40 and 6,554.24 is: 9,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.08 : 11,478.40 = 6,554.24 : x
  2. Step 2: Convert to fraction form
    8,318.08/11,478.40 = 6,554.24/x
  3. Step 3: Cross multiply
    8,318.08x = 11,478.40 × 6,554.24
  4. Step 4: Simplify right side
    8,318.08x = 75,232,188.42
  5. Step 5: Solve for x
    x = 75,232,188.42/8,318.08
  6. Step 6: Final answer
    x = 9,044.42

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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.