Home / 4,771.89-7,158.33-1,309.14

Finding the Fourth Proportional to 4,771.89, 7,158.33 and 1,309.14

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Solution

The fourth proportional to 4,771.89, 7,158.33 and 1,309.14 is: 1,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.89 : 7,158.33 = 1,309.14 : x
  2. Step 2: Convert to fraction form
    4,771.89/7,158.33 = 1,309.14/x
  3. Step 3: Cross multiply
    4,771.89x = 7,158.33 × 1,309.14
  4. Step 4: Simplify right side
    4,771.89x = 9,371,256.14
  5. Step 5: Solve for x
    x = 9,371,256.14/4,771.89
  6. Step 6: Final answer
    x = 1,963.85

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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.