Home / 7,129.59-10,693.31-2,746.41

Finding the Fourth Proportional to 7,129.59, 10,693.31 and 2,746.41

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Solution

The fourth proportional to 7,129.59, 10,693.31 and 2,746.41 is: 4,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129.59 : 10,693.31 = 2,746.41 : x
  2. Step 2: Convert to fraction form
    7,129.59/10,693.31 = 2,746.41/x
  3. Step 3: Cross multiply
    7,129.59x = 10,693.31 × 2,746.41
  4. Step 4: Simplify right side
    7,129.59x = 29,368,199.79
  5. Step 5: Solve for x
    x = 29,368,199.79/7,129.59
  6. Step 6: Final answer
    x = 4,119.20

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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.