Home / 4,178.18-6,267.56-1,256.70

Finding the Fourth Proportional to 4,178.18, 6,267.56 and 1,256.70

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Solution

The fourth proportional to 4,178.18, 6,267.56 and 1,256.70 is: 1,885.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.18 : 6,267.56 = 1,256.70 : x
  2. Step 2: Convert to fraction form
    4,178.18/6,267.56 = 1,256.70/x
  3. Step 3: Cross multiply
    4,178.18x = 6,267.56 × 1,256.70
  4. Step 4: Simplify right side
    4,178.18x = 7,876,442.65
  5. Step 5: Solve for x
    x = 7,876,442.65/4,178.18
  6. Step 6: Final answer
    x = 1,885.14

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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.