Home / 5,287.05-7,296.12-2,929.18

Finding the Fourth Proportional to 5,287.05, 7,296.12 and 2,929.18

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Solution

The fourth proportional to 5,287.05, 7,296.12 and 2,929.18 is: 4,042.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.05 : 7,296.12 = 2,929.18 : x
  2. Step 2: Convert to fraction form
    5,287.05/7,296.12 = 2,929.18/x
  3. Step 3: Cross multiply
    5,287.05x = 7,296.12 × 2,929.18
  4. Step 4: Simplify right side
    5,287.05x = 21,371,648.78
  5. Step 5: Solve for x
    x = 21,371,648.78/5,287.05
  6. Step 6: Final answer
    x = 4,042.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.