Home / 5,061.90-7,580.70-2,461.80

Finding the Fourth Proportional to 5,061.90, 7,580.70 and 2,461.80

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Solution

The fourth proportional to 5,061.90, 7,580.70 and 2,461.80 is: 3,686.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,061.90 : 7,580.70 = 2,461.80 : x
  2. Step 2: Convert to fraction form
    5,061.90/7,580.70 = 2,461.80/x
  3. Step 3: Cross multiply
    5,061.90x = 7,580.70 × 2,461.80
  4. Step 4: Simplify right side
    5,061.90x = 18,662,167.26
  5. Step 5: Solve for x
    x = 18,662,167.26/5,061.90
  6. Step 6: Final answer
    x = 3,686.79

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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.