Home / 5,588.16-7,711.32-3,069.78

Finding the Fourth Proportional to 5,588.16, 7,711.32 and 3,069.78

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Solution

The fourth proportional to 5,588.16, 7,711.32 and 3,069.78 is: 4,236.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,588.16 : 7,711.32 = 3,069.78 : x
  2. Step 2: Convert to fraction form
    5,588.16/7,711.32 = 3,069.78/x
  3. Step 3: Cross multiply
    5,588.16x = 7,711.32 × 3,069.78
  4. Step 4: Simplify right side
    5,588.16x = 23,672,055.91
  5. Step 5: Solve for x
    x = 23,672,055.91/5,588.16
  6. Step 6: Final answer
    x = 4,236.11

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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.