Home / 5,287.18-7,296.29-2,929.32

Finding the Fourth Proportional to 5,287.18, 7,296.29 and 2,929.32

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Solution

The fourth proportional to 5,287.18, 7,296.29 and 2,929.32 is: 4,042.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.18 : 7,296.29 = 2,929.32 : x
  2. Step 2: Convert to fraction form
    5,287.18/7,296.29 = 2,929.32/x
  3. Step 3: Cross multiply
    5,287.18x = 7,296.29 × 2,929.32
  4. Step 4: Simplify right side
    5,287.18x = 21,373,168.22
  5. Step 5: Solve for x
    x = 21,373,168.22/5,287.18
  6. Step 6: Final answer
    x = 4,042.45

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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.