Home / 7,519.17-11,278.70-5,877.10

Finding the Fourth Proportional to 7,519.17, 11,278.70 and 5,877.10

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Solution

The fourth proportional to 7,519.17, 11,278.70 and 5,877.10 is: 8,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.17 : 11,278.70 = 5,877.10 : x
  2. Step 2: Convert to fraction form
    7,519.17/11,278.70 = 5,877.10/x
  3. Step 3: Cross multiply
    7,519.17x = 11,278.70 × 5,877.10
  4. Step 4: Simplify right side
    7,519.17x = 66,286,018.38
  5. Step 5: Solve for x
    x = 66,286,018.38/7,519.17
  6. Step 6: Final answer
    x = 8,815.60

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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.