Home / 5,255.44-7,871.85-2,477.95

Finding the Fourth Proportional to 5,255.44, 7,871.85 and 2,477.95

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Solution

The fourth proportional to 5,255.44, 7,871.85 and 2,477.95 is: 3,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.44 : 7,871.85 = 2,477.95 : x
  2. Step 2: Convert to fraction form
    5,255.44/7,871.85 = 2,477.95/x
  3. Step 3: Cross multiply
    5,255.44x = 7,871.85 × 2,477.95
  4. Step 4: Simplify right side
    5,255.44x = 19,506,050.71
  5. Step 5: Solve for x
    x = 19,506,050.71/5,255.44
  6. Step 6: Final answer
    x = 3,711.59

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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.