Home / 8,862.31-13,291.63-4,180.31

Finding the Fourth Proportional to 8,862.31, 13,291.63 and 4,180.31

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Solution

The fourth proportional to 8,862.31, 13,291.63 and 4,180.31 is: 6,269.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.31 : 13,291.63 = 4,180.31 : x
  2. Step 2: Convert to fraction form
    8,862.31/13,291.63 = 4,180.31/x
  3. Step 3: Cross multiply
    8,862.31x = 13,291.63 × 4,180.31
  4. Step 4: Simplify right side
    8,862.31x = 55,563,056.90
  5. Step 5: Solve for x
    x = 55,563,056.90/8,862.31
  6. Step 6: Final answer
    x = 6,269.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.