Home / 5,088.80-7,022.88-3,098.96

Finding the Fourth Proportional to 5,088.80, 7,022.88 and 3,098.96

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Solution

The fourth proportional to 5,088.80, 7,022.88 and 3,098.96 is: 4,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.80 : 7,022.88 = 3,098.96 : x
  2. Step 2: Convert to fraction form
    5,088.80/7,022.88 = 3,098.96/x
  3. Step 3: Cross multiply
    5,088.80x = 7,022.88 × 3,098.96
  4. Step 4: Simplify right side
    5,088.80x = 21,763,624.20
  5. Step 5: Solve for x
    x = 21,763,624.20/5,088.80
  6. Step 6: Final answer
    x = 4,276.77

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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.