Home / 5,411.24-8,117.68-1,712.24

Finding the Fourth Proportional to 5,411.24, 8,117.68 and 1,712.24

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Solution

The fourth proportional to 5,411.24, 8,117.68 and 1,712.24 is: 2,568.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.24 : 8,117.68 = 1,712.24 : x
  2. Step 2: Convert to fraction form
    5,411.24/8,117.68 = 1,712.24/x
  3. Step 3: Cross multiply
    5,411.24x = 8,117.68 × 1,712.24
  4. Step 4: Simplify right side
    5,411.24x = 13,899,416.40
  5. Step 5: Solve for x
    x = 13,899,416.40/5,411.24
  6. Step 6: Final answer
    x = 2,568.62

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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.