Home / 8,456.41-11,670.29-4,920.49

Finding the Fourth Proportional to 8,456.41, 11,670.29 and 4,920.49

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Solution

The fourth proportional to 8,456.41, 11,670.29 and 4,920.49 is: 6,790.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.41 : 11,670.29 = 4,920.49 : x
  2. Step 2: Convert to fraction form
    8,456.41/11,670.29 = 4,920.49/x
  3. Step 3: Cross multiply
    8,456.41x = 11,670.29 × 4,920.49
  4. Step 4: Simplify right side
    8,456.41x = 57,423,545.24
  5. Step 5: Solve for x
    x = 57,423,545.24/8,456.41
  6. Step 6: Final answer
    x = 6,790.53

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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.