Home / 5,020.81-7,531.29-2,388.58

Finding the Fourth Proportional to 5,020.81, 7,531.29 and 2,388.58

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Solution

The fourth proportional to 5,020.81, 7,531.29 and 2,388.58 is: 3,582.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.81 : 7,531.29 = 2,388.58 : x
  2. Step 2: Convert to fraction form
    5,020.81/7,531.29 = 2,388.58/x
  3. Step 3: Cross multiply
    5,020.81x = 7,531.29 × 2,388.58
  4. Step 4: Simplify right side
    5,020.81x = 17,989,088.67
  5. Step 5: Solve for x
    x = 17,989,088.67/5,020.81
  6. Step 6: Final answer
    x = 3,582.91

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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.