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Finding the Fourth Proportional to 8,695.42, 12,001.58 and 5,340.00

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Solution

The fourth proportional to 8,695.42, 12,001.58 and 5,340.00 is: 7,370.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.42 : 12,001.58 = 5,340.00 : x
  2. Step 2: Convert to fraction form
    8,695.42/12,001.58 = 5,340.00/x
  3. Step 3: Cross multiply
    8,695.42x = 12,001.58 × 5,340.00
  4. Step 4: Simplify right side
    8,695.42x = 64,088,350.49
  5. Step 5: Solve for x
    x = 64,088,350.49/8,695.42
  6. Step 6: Final answer
    x = 7,370.36

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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.