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Finding the Fourth Proportional to 7,065.90, 9,747.54 and 4,232.52

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Solution

The fourth proportional to 7,065.90, 9,747.54 and 4,232.52 is: 5,838.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.90 : 9,747.54 = 4,232.52 : x
  2. Step 2: Convert to fraction form
    7,065.90/9,747.54 = 4,232.52/x
  3. Step 3: Cross multiply
    7,065.90x = 9,747.54 × 4,232.52
  4. Step 4: Simplify right side
    7,065.90x = 41,256,658.00
  5. Step 5: Solve for x
    x = 41,256,658.00/7,065.90
  6. Step 6: Final answer
    x = 5,838.84

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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.