Home / 8,158.08-11,259.96-5,320.56

Finding the Fourth Proportional to 8,158.08, 11,259.96 and 5,320.56

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Solution

The fourth proportional to 8,158.08, 11,259.96 and 5,320.56 is: 7,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.08 : 11,259.96 = 5,320.56 : x
  2. Step 2: Convert to fraction form
    8,158.08/11,259.96 = 5,320.56/x
  3. Step 3: Cross multiply
    8,158.08x = 11,259.96 × 5,320.56
  4. Step 4: Simplify right side
    8,158.08x = 59,909,292.78
  5. Step 5: Solve for x
    x = 59,909,292.78/8,158.08
  6. Step 6: Final answer
    x = 7,343.55

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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.