Home / 5,021.32-7,531.78-2,390.10

Finding the Fourth Proportional to 5,021.32, 7,531.78 and 2,390.10

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Solution

The fourth proportional to 5,021.32, 7,531.78 and 2,390.10 is: 3,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.32 : 7,531.78 = 2,390.10 : x
  2. Step 2: Convert to fraction form
    5,021.32/7,531.78 = 2,390.10/x
  3. Step 3: Cross multiply
    5,021.32x = 7,531.78 × 2,390.10
  4. Step 4: Simplify right side
    5,021.32x = 18,001,707.38
  5. Step 5: Solve for x
    x = 18,001,707.38/5,021.32
  6. Step 6: Final answer
    x = 3,585.05

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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.