Home / 8,748.08-12,074.88-5,213.72

Finding the Fourth Proportional to 8,748.08, 12,074.88 and 5,213.72

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Solution

The fourth proportional to 8,748.08, 12,074.88 and 5,213.72 is: 7,196.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.08 : 12,074.88 = 5,213.72 : x
  2. Step 2: Convert to fraction form
    8,748.08/12,074.88 = 5,213.72/x
  3. Step 3: Cross multiply
    8,748.08x = 12,074.88 × 5,213.72
  4. Step 4: Simplify right side
    8,748.08x = 62,955,043.35
  5. Step 5: Solve for x
    x = 62,955,043.35/8,748.08
  6. Step 6: Final answer
    x = 7,196.44

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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.