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Finding the Fourth Proportional to 5,184, 7,153.68 and 2,826.12

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Solution

The fourth proportional to 5,184, 7,153.68 and 2,826.12 is: 3,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184 : 7,153.68 = 2,826.12 : x
  2. Step 2: Convert to fraction form
    5,184/7,153.68 = 2,826.12/x
  3. Step 3: Cross multiply
    5,184x = 7,153.68 × 2,826.12
  4. Step 4: Simplify right side
    5,184x = 20,217,158.12
  5. Step 5: Solve for x
    x = 20,217,158.12/5,184
  6. Step 6: Final answer
    x = 3,899.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.