Home / 8,433.72-11,634.84-6,545.88

Finding the Fourth Proportional to 8,433.72, 11,634.84 and 6,545.88

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Solution

The fourth proportional to 8,433.72, 11,634.84 and 6,545.88 is: 9,030.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.72 : 11,634.84 = 6,545.88 : x
  2. Step 2: Convert to fraction form
    8,433.72/11,634.84 = 6,545.88/x
  3. Step 3: Cross multiply
    8,433.72x = 11,634.84 × 6,545.88
  4. Step 4: Simplify right side
    8,433.72x = 76,160,266.46
  5. Step 5: Solve for x
    x = 76,160,266.46/8,433.72
  6. Step 6: Final answer
    x = 9,030.45

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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.