Home / 9,478.08-13,079.76-5,500

Finding the Fourth Proportional to 9,478.08, 13,079.76 and 5,500

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Solution

The fourth proportional to 9,478.08, 13,079.76 and 5,500 is: 7,590.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.08 : 13,079.76 = 5,500 : x
  2. Step 2: Convert to fraction form
    9,478.08/13,079.76 = 5,500/x
  3. Step 3: Cross multiply
    9,478.08x = 13,079.76 × 5,500
  4. Step 4: Simplify right side
    9,478.08x = 71,938,680
  5. Step 5: Solve for x
    x = 71,938,680/9,478.08
  6. Step 6: Final answer
    x = 7,590.01

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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.