Home / 4,173.78-6,261.28-1,252.31

Finding the Fourth Proportional to 4,173.78, 6,261.28 and 1,252.31

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Solution

The fourth proportional to 4,173.78, 6,261.28 and 1,252.31 is: 1,878.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,173.78 : 6,261.28 = 1,252.31 : x
  2. Step 2: Convert to fraction form
    4,173.78/6,261.28 = 1,252.31/x
  3. Step 3: Cross multiply
    4,173.78x = 6,261.28 × 1,252.31
  4. Step 4: Simplify right side
    4,173.78x = 7,841,082.34
  5. Step 5: Solve for x
    x = 7,841,082.34/4,173.78
  6. Step 6: Final answer
    x = 1,878.65

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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.