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Finding the Fourth Proportional to 5,776.19, 8,618.93 and 5,423.52

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Solution

The fourth proportional to 5,776.19, 8,618.93 and 5,423.52 is: 8,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.19 : 8,618.93 = 5,423.52 : x
  2. Step 2: Convert to fraction form
    5,776.19/8,618.93 = 5,423.52/x
  3. Step 3: Cross multiply
    5,776.19x = 8,618.93 × 5,423.52
  4. Step 4: Simplify right side
    5,776.19x = 46,744,912.12
  5. Step 5: Solve for x
    x = 46,744,912.12/5,776.19
  6. Step 6: Final answer
    x = 8,092.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.