Home / 5,590.70-8,385.51-1,486.70

Finding the Fourth Proportional to 5,590.70, 8,385.51 and 1,486.70

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Solution

The fourth proportional to 5,590.70, 8,385.51 and 1,486.70 is: 2,229.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.70 : 8,385.51 = 1,486.70 : x
  2. Step 2: Convert to fraction form
    5,590.70/8,385.51 = 1,486.70/x
  3. Step 3: Cross multiply
    5,590.70x = 8,385.51 × 1,486.70
  4. Step 4: Simplify right side
    5,590.70x = 12,466,737.72
  5. Step 5: Solve for x
    x = 12,466,737.72/5,590.70
  6. Step 6: Final answer
    x = 2,229.91

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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.