Home / 5,717.24-7,891.32-3,360.95

Finding the Fourth Proportional to 5,717.24, 7,891.32 and 3,360.95

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Solution

The fourth proportional to 5,717.24, 7,891.32 and 3,360.95 is: 4,639.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.24 : 7,891.32 = 3,360.95 : x
  2. Step 2: Convert to fraction form
    5,717.24/7,891.32 = 3,360.95/x
  3. Step 3: Cross multiply
    5,717.24x = 7,891.32 × 3,360.95
  4. Step 4: Simplify right side
    5,717.24x = 26,522,331.95
  5. Step 5: Solve for x
    x = 26,522,331.95/5,717.24
  6. Step 6: Final answer
    x = 4,639.01

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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.