Home / 5,283.31-7,926.28-1,585.61

Finding the Fourth Proportional to 5,283.31, 7,926.28 and 1,585.61

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Solution

The fourth proportional to 5,283.31, 7,926.28 and 1,585.61 is: 2,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.31 : 7,926.28 = 1,585.61 : x
  2. Step 2: Convert to fraction form
    5,283.31/7,926.28 = 1,585.61/x
  3. Step 3: Cross multiply
    5,283.31x = 7,926.28 × 1,585.61
  4. Step 4: Simplify right side
    5,283.31x = 12,567,945.24
  5. Step 5: Solve for x
    x = 12,567,945.24/5,283.31
  6. Step 6: Final answer
    x = 2,378.80

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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.