Home / 5,611.48-8,377.64-4,288.25

Finding the Fourth Proportional to 5,611.48, 8,377.64 and 4,288.25

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Solution

The fourth proportional to 5,611.48, 8,377.64 and 4,288.25 is: 6,402.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.48 : 8,377.64 = 4,288.25 : x
  2. Step 2: Convert to fraction form
    5,611.48/8,377.64 = 4,288.25/x
  3. Step 3: Cross multiply
    5,611.48x = 8,377.64 × 4,288.25
  4. Step 4: Simplify right side
    5,611.48x = 35,925,414.73
  5. Step 5: Solve for x
    x = 35,925,414.73/5,611.48
  6. Step 6: Final answer
    x = 6,402.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.