Home / 8,928.24-12,320.76-5,202

Finding the Fourth Proportional to 8,928.24, 12,320.76 and 5,202

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Solution

The fourth proportional to 8,928.24, 12,320.76 and 5,202 is: 7,178.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.24 : 12,320.76 = 5,202 : x
  2. Step 2: Convert to fraction form
    8,928.24/12,320.76 = 5,202/x
  3. Step 3: Cross multiply
    8,928.24x = 12,320.76 × 5,202
  4. Step 4: Simplify right side
    8,928.24x = 64,092,593.52
  5. Step 5: Solve for x
    x = 64,092,593.52/8,928.24
  6. Step 6: Final answer
    x = 7,178.64

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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.