Home / 5,508.59-8,263.79-2,221.40

Finding the Fourth Proportional to 5,508.59, 8,263.79 and 2,221.40

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Solution

The fourth proportional to 5,508.59, 8,263.79 and 2,221.40 is: 3,332.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508.59 : 8,263.79 = 2,221.40 : x
  2. Step 2: Convert to fraction form
    5,508.59/8,263.79 = 2,221.40/x
  3. Step 3: Cross multiply
    5,508.59x = 8,263.79 × 2,221.40
  4. Step 4: Simplify right side
    5,508.59x = 18,357,209.32
  5. Step 5: Solve for x
    x = 18,357,209.32/5,508.59
  6. Step 6: Final answer
    x = 3,332.47

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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.