Home / 5,288.76-7,295.19-3,402.80

Finding the Fourth Proportional to 5,288.76, 7,295.19 and 3,402.80

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Solution

The fourth proportional to 5,288.76, 7,295.19 and 3,402.80 is: 4,693.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.76 : 7,295.19 = 3,402.80 : x
  2. Step 2: Convert to fraction form
    5,288.76/7,295.19 = 3,402.80/x
  3. Step 3: Cross multiply
    5,288.76x = 7,295.19 × 3,402.80
  4. Step 4: Simplify right side
    5,288.76x = 24,824,072.53
  5. Step 5: Solve for x
    x = 24,824,072.53/5,288.76
  6. Step 6: Final answer
    x = 4,693.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.