Home / 5,705.61-7,874.34-4,113.57

Finding the Fourth Proportional to 5,705.61, 7,874.34 and 4,113.57

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Solution

The fourth proportional to 5,705.61, 7,874.34 and 4,113.57 is: 5,677.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.61 : 7,874.34 = 4,113.57 : x
  2. Step 2: Convert to fraction form
    5,705.61/7,874.34 = 4,113.57/x
  3. Step 3: Cross multiply
    5,705.61x = 7,874.34 × 4,113.57
  4. Step 4: Simplify right side
    5,705.61x = 32,391,648.79
  5. Step 5: Solve for x
    x = 32,391,648.79/5,705.61
  6. Step 6: Final answer
    x = 5,677.16

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Double scale
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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.