Home / 4,170.42-6,254.10-1,247.74

Finding the Fourth Proportional to 4,170.42, 6,254.10 and 1,247.74

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Solution

The fourth proportional to 4,170.42, 6,254.10 and 1,247.74 is: 1,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.42 : 6,254.10 = 1,247.74 : x
  2. Step 2: Convert to fraction form
    4,170.42/6,254.10 = 1,247.74/x
  3. Step 3: Cross multiply
    4,170.42x = 6,254.10 × 1,247.74
  4. Step 4: Simplify right side
    4,170.42x = 7,803,490.73
  5. Step 5: Solve for x
    x = 7,803,490.73/4,170.42
  6. Step 6: Final answer
    x = 1,871.15

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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.