Home / 10,581.62-15,882.75-5,038.79

Finding the Fourth Proportional to 10,581.62, 15,882.75 and 5,038.79

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Solution

The fourth proportional to 10,581.62, 15,882.75 and 5,038.79 is: 7,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,581.62 : 15,882.75 = 5,038.79 : x
  2. Step 2: Convert to fraction form
    10,581.62/15,882.75 = 5,038.79/x
  3. Step 3: Cross multiply
    10,581.62x = 15,882.75 × 5,038.79
  4. Step 4: Simplify right side
    10,581.62x = 80,029,762.46
  5. Step 5: Solve for x
    x = 80,029,762.46/10,581.62
  6. Step 6: Final answer
    x = 7,563.10

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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.