Home / 8,780.49-13,158.87-4,401.02

Finding the Fourth Proportional to 8,780.49, 13,158.87 and 4,401.02

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Solution

The fourth proportional to 8,780.49, 13,158.87 and 4,401.02 is: 6,595.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780.49 : 13,158.87 = 4,401.02 : x
  2. Step 2: Convert to fraction form
    8,780.49/13,158.87 = 4,401.02/x
  3. Step 3: Cross multiply
    8,780.49x = 13,158.87 × 4,401.02
  4. Step 4: Simplify right side
    8,780.49x = 57,912,384.25
  5. Step 5: Solve for x
    x = 57,912,384.25/8,780.49
  6. Step 6: Final answer
    x = 6,595.58

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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.