Home / 7,158.08-10,743.96-4,390.17

Finding the Fourth Proportional to 7,158.08, 10,743.96 and 4,390.17

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Solution

The fourth proportional to 7,158.08, 10,743.96 and 4,390.17 is: 6,589.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.08 : 10,743.96 = 4,390.17 : x
  2. Step 2: Convert to fraction form
    7,158.08/10,743.96 = 4,390.17/x
  3. Step 3: Cross multiply
    7,158.08x = 10,743.96 × 4,390.17
  4. Step 4: Simplify right side
    7,158.08x = 47,167,787.05
  5. Step 5: Solve for x
    x = 47,167,787.05/7,158.08
  6. Step 6: Final answer
    x = 6,589.44

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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.