Home / 5,781.74-8,670.78-1,885.23

Finding the Fourth Proportional to 5,781.74, 8,670.78 and 1,885.23

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Solution

The fourth proportional to 5,781.74, 8,670.78 and 1,885.23 is: 2,827.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.74 : 8,670.78 = 1,885.23 : x
  2. Step 2: Convert to fraction form
    5,781.74/8,670.78 = 1,885.23/x
  3. Step 3: Cross multiply
    5,781.74x = 8,670.78 × 1,885.23
  4. Step 4: Simplify right side
    5,781.74x = 16,346,414.58
  5. Step 5: Solve for x
    x = 16,346,414.58/5,781.74
  6. Step 6: Final answer
    x = 2,827.25

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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.