Home / 6,778.64-10,145.40-5,126.08

Finding the Fourth Proportional to 6,778.64, 10,145.40 and 5,126.08

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Solution

The fourth proportional to 6,778.64, 10,145.40 and 5,126.08 is: 7,672.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.64 : 10,145.40 = 5,126.08 : x
  2. Step 2: Convert to fraction form
    6,778.64/10,145.40 = 5,126.08/x
  3. Step 3: Cross multiply
    6,778.64x = 10,145.40 × 5,126.08
  4. Step 4: Simplify right side
    6,778.64x = 52,006,132.03
  5. Step 5: Solve for x
    x = 52,006,132.03/6,778.64
  6. Step 6: Final answer
    x = 7,672.06

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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.