Home / 5,423.19-8,123.70-4,543.17

Finding the Fourth Proportional to 5,423.19, 8,123.70 and 4,543.17

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Solution

The fourth proportional to 5,423.19, 8,123.70 and 4,543.17 is: 6,805.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.19 : 8,123.70 = 4,543.17 : x
  2. Step 2: Convert to fraction form
    5,423.19/8,123.70 = 4,543.17/x
  3. Step 3: Cross multiply
    5,423.19x = 8,123.70 × 4,543.17
  4. Step 4: Simplify right side
    5,423.19x = 36,907,350.13
  5. Step 5: Solve for x
    x = 36,907,350.13/5,423.19
  6. Step 6: Final answer
    x = 6,805.47

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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.