Home / 5,098.29-7,647.40-1,400.55

Finding the Fourth Proportional to 5,098.29, 7,647.40 and 1,400.55

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Solution

The fourth proportional to 5,098.29, 7,647.40 and 1,400.55 is: 2,100.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,098.29 : 7,647.40 = 1,400.55 : x
  2. Step 2: Convert to fraction form
    5,098.29/7,647.40 = 1,400.55/x
  3. Step 3: Cross multiply
    5,098.29x = 7,647.40 × 1,400.55
  4. Step 4: Simplify right side
    5,098.29x = 10,710,566.07
  5. Step 5: Solve for x
    x = 10,710,566.07/5,098.29
  6. Step 6: Final answer
    x = 2,100.82

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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.