Home / 9,343.01-12,890.24-5,309.36

Finding the Fourth Proportional to 9,343.01, 12,890.24 and 5,309.36

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Solution

The fourth proportional to 9,343.01, 12,890.24 and 5,309.36 is: 7,325.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,343.01 : 12,890.24 = 5,309.36 : x
  2. Step 2: Convert to fraction form
    9,343.01/12,890.24 = 5,309.36/x
  3. Step 3: Cross multiply
    9,343.01x = 12,890.24 × 5,309.36
  4. Step 4: Simplify right side
    9,343.01x = 68,438,833.65
  5. Step 5: Solve for x
    x = 68,438,833.65/9,343.01
  6. Step 6: Final answer
    x = 7,325.14

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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.