Home / 5,885.81-8,122.40-3,367.91

Finding the Fourth Proportional to 5,885.81, 8,122.40 and 3,367.91

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Solution

The fourth proportional to 5,885.81, 8,122.40 and 3,367.91 is: 4,647.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.81 : 8,122.40 = 3,367.91 : x
  2. Step 2: Convert to fraction form
    5,885.81/8,122.40 = 3,367.91/x
  3. Step 3: Cross multiply
    5,885.81x = 8,122.40 × 3,367.91
  4. Step 4: Simplify right side
    5,885.81x = 27,355,495.34
  5. Step 5: Solve for x
    x = 27,355,495.34/5,885.81
  6. Step 6: Final answer
    x = 4,647.70

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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.