Home / 5,877.77-8,111.61-3,225.15

Finding the Fourth Proportional to 5,877.77, 8,111.61 and 3,225.15

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Solution

The fourth proportional to 5,877.77, 8,111.61 and 3,225.15 is: 4,450.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.77 : 8,111.61 = 3,225.15 : x
  2. Step 2: Convert to fraction form
    5,877.77/8,111.61 = 3,225.15/x
  3. Step 3: Cross multiply
    5,877.77x = 8,111.61 × 3,225.15
  4. Step 4: Simplify right side
    5,877.77x = 26,161,158.99
  5. Step 5: Solve for x
    x = 26,161,158.99/5,877.77
  6. Step 6: Final answer
    x = 4,450.87

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Half scale
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Double scale
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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.