Home / 5,580.80-8,366.08-2,069.92

Finding the Fourth Proportional to 5,580.80, 8,366.08 and 2,069.92

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Solution

The fourth proportional to 5,580.80, 8,366.08 and 2,069.92 is: 3,102.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.80 : 8,366.08 = 2,069.92 : x
  2. Step 2: Convert to fraction form
    5,580.80/8,366.08 = 2,069.92/x
  3. Step 3: Cross multiply
    5,580.80x = 8,366.08 × 2,069.92
  4. Step 4: Simplify right side
    5,580.80x = 17,317,116.31
  5. Step 5: Solve for x
    x = 17,317,116.31/5,580.80
  6. Step 6: Final answer
    x = 3,102.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.