Home / 4,342.46-5,986.30-2,847.79

Finding the Fourth Proportional to 4,342.46, 5,986.30 and 2,847.79

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Solution

The fourth proportional to 4,342.46, 5,986.30 and 2,847.79 is: 3,925.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.46 : 5,986.30 = 2,847.79 : x
  2. Step 2: Convert to fraction form
    4,342.46/5,986.30 = 2,847.79/x
  3. Step 3: Cross multiply
    4,342.46x = 5,986.30 × 2,847.79
  4. Step 4: Simplify right side
    4,342.46x = 17,047,681.11
  5. Step 5: Solve for x
    x = 17,047,681.11/4,342.46
  6. Step 6: Final answer
    x = 3,925.81

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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.