Home / 4,748.16-7,117.36-2,279.28

Finding the Fourth Proportional to 4,748.16, 7,117.36 and 2,279.28

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Solution

The fourth proportional to 4,748.16, 7,117.36 and 2,279.28 is: 3,416.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.16 : 7,117.36 = 2,279.28 : x
  2. Step 2: Convert to fraction form
    4,748.16/7,117.36 = 2,279.28/x
  3. Step 3: Cross multiply
    4,748.16x = 7,117.36 × 2,279.28
  4. Step 4: Simplify right side
    4,748.16x = 16,222,456.30
  5. Step 5: Solve for x
    x = 16,222,456.30/4,748.16
  6. Step 6: Final answer
    x = 3,416.58

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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.