Home / 5,578.86-8,359.11-2,802.72

Finding the Fourth Proportional to 5,578.86, 8,359.11 and 2,802.72

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Solution

The fourth proportional to 5,578.86, 8,359.11 and 2,802.72 is: 4,199.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.86 : 8,359.11 = 2,802.72 : x
  2. Step 2: Convert to fraction form
    5,578.86/8,359.11 = 2,802.72/x
  3. Step 3: Cross multiply
    5,578.86x = 8,359.11 × 2,802.72
  4. Step 4: Simplify right side
    5,578.86x = 23,428,244.78
  5. Step 5: Solve for x
    x = 23,428,244.78/5,578.86
  6. Step 6: Final answer
    x = 4,199.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.