Home / 8,686.02-11,983.95-5,327.22

Finding the Fourth Proportional to 8,686.02, 11,983.95 and 5,327.22

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Solution

The fourth proportional to 8,686.02, 11,983.95 and 5,327.22 is: 7,349.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.02 : 11,983.95 = 5,327.22 : x
  2. Step 2: Convert to fraction form
    8,686.02/11,983.95 = 5,327.22/x
  3. Step 3: Cross multiply
    8,686.02x = 11,983.95 × 5,327.22
  4. Step 4: Simplify right side
    8,686.02x = 63,841,138.12
  5. Step 5: Solve for x
    x = 63,841,138.12/8,686.02
  6. Step 6: Final answer
    x = 7,349.87

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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.