Home / 8,695.70-11,996.34-5,864.90

Finding the Fourth Proportional to 8,695.70, 11,996.34 and 5,864.90

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Solution

The fourth proportional to 8,695.70, 11,996.34 and 5,864.90 is: 8,091.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.70 : 11,996.34 = 5,864.90 : x
  2. Step 2: Convert to fraction form
    8,695.70/11,996.34 = 5,864.90/x
  3. Step 3: Cross multiply
    8,695.70x = 11,996.34 × 5,864.90
  4. Step 4: Simplify right side
    8,695.70x = 70,357,334.47
  5. Step 5: Solve for x
    x = 70,357,334.47/8,695.70
  6. Step 6: Final answer
    x = 8,091.05

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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.