Home / 4,510.38-6,766.32-1,390.39

Finding the Fourth Proportional to 4,510.38, 6,766.32 and 1,390.39

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Solution

The fourth proportional to 4,510.38, 6,766.32 and 1,390.39 is: 2,085.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,510.38 : 6,766.32 = 1,390.39 : x
  2. Step 2: Convert to fraction form
    4,510.38/6,766.32 = 1,390.39/x
  3. Step 3: Cross multiply
    4,510.38x = 6,766.32 × 1,390.39
  4. Step 4: Simplify right side
    4,510.38x = 9,407,823.66
  5. Step 5: Solve for x
    x = 9,407,823.66/4,510.38
  6. Step 6: Final answer
    x = 2,085.82

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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.