Home / 5,443.23-8,156.34-4,213.65

Finding the Fourth Proportional to 5,443.23, 8,156.34 and 4,213.65

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Solution

The fourth proportional to 5,443.23, 8,156.34 and 4,213.65 is: 6,313.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.23 : 8,156.34 = 4,213.65 : x
  2. Step 2: Convert to fraction form
    5,443.23/8,156.34 = 4,213.65/x
  3. Step 3: Cross multiply
    5,443.23x = 8,156.34 × 4,213.65
  4. Step 4: Simplify right side
    5,443.23x = 34,367,962.04
  5. Step 5: Solve for x
    x = 34,367,962.04/5,443.23
  6. Step 6: Final answer
    x = 6,313.89

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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.