Home / 5,689.17-8,521.29-2,911.05

Finding the Fourth Proportional to 5,689.17, 8,521.29 and 2,911.05

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Solution

The fourth proportional to 5,689.17, 8,521.29 and 2,911.05 is: 4,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.17 : 8,521.29 = 2,911.05 : x
  2. Step 2: Convert to fraction form
    5,689.17/8,521.29 = 2,911.05/x
  3. Step 3: Cross multiply
    5,689.17x = 8,521.29 × 2,911.05
  4. Step 4: Simplify right side
    5,689.17x = 24,805,901.25
  5. Step 5: Solve for x
    x = 24,805,901.25/5,689.17
  6. Step 6: Final answer
    x = 4,360.20

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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.