Home / 8,047.52-11,112-5,397.20

Finding the Fourth Proportional to 8,047.52, 11,112 and 5,397.20

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Solution

The fourth proportional to 8,047.52, 11,112 and 5,397.20 is: 7,452.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047.52 : 11,112 = 5,397.20 : x
  2. Step 2: Convert to fraction form
    8,047.52/11,112 = 5,397.20/x
  3. Step 3: Cross multiply
    8,047.52x = 11,112 × 5,397.20
  4. Step 4: Simplify right side
    8,047.52x = 59,973,686.40
  5. Step 5: Solve for x
    x = 59,973,686.40/8,047.52
  6. Step 6: Final answer
    x = 7,452.44

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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.