Home / 7,257.07-10,013.38-6,887.98

Finding the Fourth Proportional to 7,257.07, 10,013.38 and 6,887.98

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Solution

The fourth proportional to 7,257.07, 10,013.38 and 6,887.98 is: 9,504.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.07 : 10,013.38 = 6,887.98 : x
  2. Step 2: Convert to fraction form
    7,257.07/10,013.38 = 6,887.98/x
  3. Step 3: Cross multiply
    7,257.07x = 10,013.38 × 6,887.98
  4. Step 4: Simplify right side
    7,257.07x = 68,971,961.17
  5. Step 5: Solve for x
    x = 68,971,961.17/7,257.07
  6. Step 6: Final answer
    x = 9,504.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.