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Finding the Fourth Proportional to 9,239.32, 12,751.14 and 5,048.20

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Solution

The fourth proportional to 9,239.32, 12,751.14 and 5,048.20 is: 6,967.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.32 : 12,751.14 = 5,048.20 : x
  2. Step 2: Convert to fraction form
    9,239.32/12,751.14 = 5,048.20/x
  3. Step 3: Cross multiply
    9,239.32x = 12,751.14 × 5,048.20
  4. Step 4: Simplify right side
    9,239.32x = 64,370,304.95
  5. Step 5: Solve for x
    x = 64,370,304.95/9,239.32
  6. Step 6: Final answer
    x = 6,967.00

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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.