Home / 6,872.89-10,307.40-2,655.17

Finding the Fourth Proportional to 6,872.89, 10,307.40 and 2,655.17

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Solution

The fourth proportional to 6,872.89, 10,307.40 and 2,655.17 is: 3,982.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.89 : 10,307.40 = 2,655.17 : x
  2. Step 2: Convert to fraction form
    6,872.89/10,307.40 = 2,655.17/x
  3. Step 3: Cross multiply
    6,872.89x = 10,307.40 × 2,655.17
  4. Step 4: Simplify right side
    6,872.89x = 27,367,899.26
  5. Step 5: Solve for x
    x = 27,367,899.26/6,872.89
  6. Step 6: Final answer
    x = 3,982.01

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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.