Home / 5,759.46-8,640.95-2,988.11

Finding the Fourth Proportional to 5,759.46, 8,640.95 and 2,988.11

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Solution

The fourth proportional to 5,759.46, 8,640.95 and 2,988.11 is: 4,483.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.46 : 8,640.95 = 2,988.11 : x
  2. Step 2: Convert to fraction form
    5,759.46/8,640.95 = 2,988.11/x
  3. Step 3: Cross multiply
    5,759.46x = 8,640.95 × 2,988.11
  4. Step 4: Simplify right side
    5,759.46x = 25,820,115.77
  5. Step 5: Solve for x
    x = 25,820,115.77/5,759.46
  6. Step 6: Final answer
    x = 4,483.08

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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.