Home / 8,780.56-13,158.94-4,401.16

Finding the Fourth Proportional to 8,780.56, 13,158.94 and 4,401.16

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Solution

The fourth proportional to 8,780.56, 13,158.94 and 4,401.16 is: 6,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780.56 : 13,158.94 = 4,401.16 : x
  2. Step 2: Convert to fraction form
    8,780.56/13,158.94 = 4,401.16/x
  3. Step 3: Cross multiply
    8,780.56x = 13,158.94 × 4,401.16
  4. Step 4: Simplify right side
    8,780.56x = 57,914,600.37
  5. Step 5: Solve for x
    x = 57,914,600.37/8,780.56
  6. Step 6: Final answer
    x = 6,595.78

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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.