Home / 8,418.80-11,618.37-4,882.07

Finding the Fourth Proportional to 8,418.80, 11,618.37 and 4,882.07

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Solution

The fourth proportional to 8,418.80, 11,618.37 and 4,882.07 is: 6,737.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.80 : 11,618.37 = 4,882.07 : x
  2. Step 2: Convert to fraction form
    8,418.80/11,618.37 = 4,882.07/x
  3. Step 3: Cross multiply
    8,418.80x = 11,618.37 × 4,882.07
  4. Step 4: Simplify right side
    8,418.80x = 56,721,637.53
  5. Step 5: Solve for x
    x = 56,721,637.53/8,418.80
  6. Step 6: Final answer
    x = 6,737.50

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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.