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Finding the Fourth Proportional to 5,310.24, 7,966.62 and 1,800.18

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Solution

The fourth proportional to 5,310.24, 7,966.62 and 1,800.18 is: 2,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.24 : 7,966.62 = 1,800.18 : x
  2. Step 2: Convert to fraction form
    5,310.24/7,966.62 = 1,800.18/x
  3. Step 3: Cross multiply
    5,310.24x = 7,966.62 × 1,800.18
  4. Step 4: Simplify right side
    5,310.24x = 14,341,349.99
  5. Step 5: Solve for x
    x = 14,341,349.99/5,310.24
  6. Step 6: Final answer
    x = 2,700.70

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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.