Home / 4,142.76-6,216.54-1,545.60

Finding the Fourth Proportional to 4,142.76, 6,216.54 and 1,545.60

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Solution

The fourth proportional to 4,142.76, 6,216.54 and 1,545.60 is: 2,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.76 : 6,216.54 = 1,545.60 : x
  2. Step 2: Convert to fraction form
    4,142.76/6,216.54 = 1,545.60/x
  3. Step 3: Cross multiply
    4,142.76x = 6,216.54 × 1,545.60
  4. Step 4: Simplify right side
    4,142.76x = 9,608,284.22
  5. Step 5: Solve for x
    x = 9,608,284.22/4,142.76
  6. Step 6: Final answer
    x = 2,319.30

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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.