Home / 9,238.79-12,749.49-5,047.04

Finding the Fourth Proportional to 9,238.79, 12,749.49 and 5,047.04

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Solution

The fourth proportional to 9,238.79, 12,749.49 and 5,047.04 is: 6,964.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,238.79 : 12,749.49 = 5,047.04 : x
  2. Step 2: Convert to fraction form
    9,238.79/12,749.49 = 5,047.04/x
  3. Step 3: Cross multiply
    9,238.79x = 12,749.49 × 5,047.04
  4. Step 4: Simplify right side
    9,238.79x = 64,347,122.26
  5. Step 5: Solve for x
    x = 64,347,122.26/9,238.79
  6. Step 6: Final answer
    x = 6,964.89

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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.