Home / 4,170.48-6,255.80-1,248.72

Finding the Fourth Proportional to 4,170.48, 6,255.80 and 1,248.72

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Solution

The fourth proportional to 4,170.48, 6,255.80 and 1,248.72 is: 1,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.48 : 6,255.80 = 1,248.72 : x
  2. Step 2: Convert to fraction form
    4,170.48/6,255.80 = 1,248.72/x
  3. Step 3: Cross multiply
    4,170.48x = 6,255.80 × 1,248.72
  4. Step 4: Simplify right side
    4,170.48x = 7,811,742.58
  5. Step 5: Solve for x
    x = 7,811,742.58/4,170.48
  6. Step 6: Final answer
    x = 1,873.10

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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.