Home / 4,890.11-6,737.78-3,315.47

Finding the Fourth Proportional to 4,890.11, 6,737.78 and 3,315.47

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Solution

The fourth proportional to 4,890.11, 6,737.78 and 3,315.47 is: 4,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.11 : 6,737.78 = 3,315.47 : x
  2. Step 2: Convert to fraction form
    4,890.11/6,737.78 = 3,315.47/x
  3. Step 3: Cross multiply
    4,890.11x = 6,737.78 × 3,315.47
  4. Step 4: Simplify right side
    4,890.11x = 22,338,882.06
  5. Step 5: Solve for x
    x = 22,338,882.06/4,890.11
  6. Step 6: Final answer
    x = 4,568.18

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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.