Home / 5,706.30-8,560.78-1,757.40

Finding the Fourth Proportional to 5,706.30, 8,560.78 and 1,757.40

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Solution

The fourth proportional to 5,706.30, 8,560.78 and 1,757.40 is: 2,636.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,706.30 : 8,560.78 = 1,757.40 : x
  2. Step 2: Convert to fraction form
    5,706.30/8,560.78 = 1,757.40/x
  3. Step 3: Cross multiply
    5,706.30x = 8,560.78 × 1,757.40
  4. Step 4: Simplify right side
    5,706.30x = 15,044,714.77
  5. Step 5: Solve for x
    x = 15,044,714.77/5,706.30
  6. Step 6: Final answer
    x = 2,636.51

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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.