Home / 8,748.52-13,122.78-3,554.80

Finding the Fourth Proportional to 8,748.52, 13,122.78 and 3,554.80

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Solution

The fourth proportional to 8,748.52, 13,122.78 and 3,554.80 is: 5,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.52 : 13,122.78 = 3,554.80 : x
  2. Step 2: Convert to fraction form
    8,748.52/13,122.78 = 3,554.80/x
  3. Step 3: Cross multiply
    8,748.52x = 13,122.78 × 3,554.80
  4. Step 4: Simplify right side
    8,748.52x = 46,648,858.34
  5. Step 5: Solve for x
    x = 46,648,858.34/8,748.52
  6. Step 6: Final answer
    x = 5,332.20

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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.