Home / 5,426.28-7,488.32-3,068.44

Finding the Fourth Proportional to 5,426.28, 7,488.32 and 3,068.44

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Solution

The fourth proportional to 5,426.28, 7,488.32 and 3,068.44 is: 4,234.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.28 : 7,488.32 = 3,068.44 : x
  2. Step 2: Convert to fraction form
    5,426.28/7,488.32 = 3,068.44/x
  3. Step 3: Cross multiply
    5,426.28x = 7,488.32 × 3,068.44
  4. Step 4: Simplify right side
    5,426.28x = 22,977,426.56
  5. Step 5: Solve for x
    x = 22,977,426.56/5,426.28
  6. Step 6: Final answer
    x = 4,234.47

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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.