Home / 8,820.29-13,232.70-4,139.44

Finding the Fourth Proportional to 8,820.29, 13,232.70 and 4,139.44

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Solution

The fourth proportional to 8,820.29, 13,232.70 and 4,139.44 is: 6,210.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.29 : 13,232.70 = 4,139.44 : x
  2. Step 2: Convert to fraction form
    8,820.29/13,232.70 = 4,139.44/x
  3. Step 3: Cross multiply
    8,820.29x = 13,232.70 × 4,139.44
  4. Step 4: Simplify right side
    8,820.29x = 54,775,934.61
  5. Step 5: Solve for x
    x = 54,775,934.61/8,820.29
  6. Step 6: Final answer
    x = 6,210.22

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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.