Home / 7,943.03-11,895.75-6,897.35

Finding the Fourth Proportional to 7,943.03, 11,895.75 and 6,897.35

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Solution

The fourth proportional to 7,943.03, 11,895.75 and 6,897.35 is: 10,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.03 : 11,895.75 = 6,897.35 : x
  2. Step 2: Convert to fraction form
    7,943.03/11,895.75 = 6,897.35/x
  3. Step 3: Cross multiply
    7,943.03x = 11,895.75 × 6,897.35
  4. Step 4: Simplify right side
    7,943.03x = 82,049,091.78
  5. Step 5: Solve for x
    x = 82,049,091.78/7,943.03
  6. Step 6: Final answer
    x = 10,329.70

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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.