Home / 8,259.78-11,398.31-4,482.95

Finding the Fourth Proportional to 8,259.78, 11,398.31 and 4,482.95

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Solution

The fourth proportional to 8,259.78, 11,398.31 and 4,482.95 is: 6,186.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.78 : 11,398.31 = 4,482.95 : x
  2. Step 2: Convert to fraction form
    8,259.78/11,398.31 = 4,482.95/x
  3. Step 3: Cross multiply
    8,259.78x = 11,398.31 × 4,482.95
  4. Step 4: Simplify right side
    8,259.78x = 51,098,031.40
  5. Step 5: Solve for x
    x = 51,098,031.40/8,259.78
  6. Step 6: Final answer
    x = 6,186.37

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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.