Home / 4,578.11-6,317.03-2,689.55

Finding the Fourth Proportional to 4,578.11, 6,317.03 and 2,689.55

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Solution

The fourth proportional to 4,578.11, 6,317.03 and 2,689.55 is: 3,711.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.11 : 6,317.03 = 2,689.55 : x
  2. Step 2: Convert to fraction form
    4,578.11/6,317.03 = 2,689.55/x
  3. Step 3: Cross multiply
    4,578.11x = 6,317.03 × 2,689.55
  4. Step 4: Simplify right side
    4,578.11x = 16,989,923.00
  5. Step 5: Solve for x
    x = 16,989,923.00/4,578.11
  6. Step 6: Final answer
    x = 3,711.13

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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.