Home / 5,090.16-7,637.78-2,459.89

Finding the Fourth Proportional to 5,090.16, 7,637.78 and 2,459.89

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Solution

The fourth proportional to 5,090.16, 7,637.78 and 2,459.89 is: 3,691.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.16 : 7,637.78 = 2,459.89 : x
  2. Step 2: Convert to fraction form
    5,090.16/7,637.78 = 2,459.89/x
  3. Step 3: Cross multiply
    5,090.16x = 7,637.78 × 2,459.89
  4. Step 4: Simplify right side
    5,090.16x = 18,788,085.70
  5. Step 5: Solve for x
    x = 18,788,085.70/5,090.16
  6. Step 6: Final answer
    x = 3,691.06

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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.