Home / 5,885.79-8,121.51-3,367.50

Finding the Fourth Proportional to 5,885.79, 8,121.51 and 3,367.50

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Solution

The fourth proportional to 5,885.79, 8,121.51 and 3,367.50 is: 4,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.79 : 8,121.51 = 3,367.50 : x
  2. Step 2: Convert to fraction form
    5,885.79/8,121.51 = 3,367.50/x
  3. Step 3: Cross multiply
    5,885.79x = 8,121.51 × 3,367.50
  4. Step 4: Simplify right side
    5,885.79x = 27,349,184.93
  5. Step 5: Solve for x
    x = 27,349,184.93/5,885.79
  6. Step 6: Final answer
    x = 4,646.65

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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.