Home / 8,158.77-11,259.54-5,173.52

Finding the Fourth Proportional to 8,158.77, 11,259.54 and 5,173.52

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Solution

The fourth proportional to 8,158.77, 11,259.54 and 5,173.52 is: 7,139.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.77 : 11,259.54 = 5,173.52 : x
  2. Step 2: Convert to fraction form
    8,158.77/11,259.54 = 5,173.52/x
  3. Step 3: Cross multiply
    8,158.77x = 11,259.54 × 5,173.52
  4. Step 4: Simplify right side
    8,158.77x = 58,251,399.08
  5. Step 5: Solve for x
    x = 58,251,399.08/8,158.77
  6. Step 6: Final answer
    x = 7,139.73

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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.