Home / 5,885.10-8,126.71-4,390.42

Finding the Fourth Proportional to 5,885.10, 8,126.71 and 4,390.42

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Solution

The fourth proportional to 5,885.10, 8,126.71 and 4,390.42 is: 6,062.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.10 : 8,126.71 = 4,390.42 : x
  2. Step 2: Convert to fraction form
    5,885.10/8,126.71 = 4,390.42/x
  3. Step 3: Cross multiply
    5,885.10x = 8,126.71 × 4,390.42
  4. Step 4: Simplify right side
    5,885.10x = 35,679,701.41
  5. Step 5: Solve for x
    x = 35,679,701.41/5,885.10
  6. Step 6: Final answer
    x = 6,062.72

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Half scale
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Double scale
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Similar ratio
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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.