Home / 5,211.60-7,818.36-1,748.88

Finding the Fourth Proportional to 5,211.60, 7,818.36 and 1,748.88

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Solution

The fourth proportional to 5,211.60, 7,818.36 and 1,748.88 is: 2,623.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.60 : 7,818.36 = 1,748.88 : x
  2. Step 2: Convert to fraction form
    5,211.60/7,818.36 = 1,748.88/x
  3. Step 3: Cross multiply
    5,211.60x = 7,818.36 × 1,748.88
  4. Step 4: Simplify right side
    5,211.60x = 13,673,373.44
  5. Step 5: Solve for x
    x = 13,673,373.44/5,211.60
  6. Step 6: Final answer
    x = 2,623.64

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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.