Home / 9,479.44-13,079.40-5,752.72

Finding the Fourth Proportional to 9,479.44, 13,079.40 and 5,752.72

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Solution

The fourth proportional to 9,479.44, 13,079.40 and 5,752.72 is: 7,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.44 : 13,079.40 = 5,752.72 : x
  2. Step 2: Convert to fraction form
    9,479.44/13,079.40 = 5,752.72/x
  3. Step 3: Cross multiply
    9,479.44x = 13,079.40 × 5,752.72
  4. Step 4: Simplify right side
    9,479.44x = 75,242,125.97
  5. Step 5: Solve for x
    x = 75,242,125.97/9,479.44
  6. Step 6: Final answer
    x = 7,937.40

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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.