Home / 7,239.24-10,858.64-2,309.18

Finding the Fourth Proportional to 7,239.24, 10,858.64 and 2,309.18

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Solution

The fourth proportional to 7,239.24, 10,858.64 and 2,309.18 is: 3,463.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.24 : 10,858.64 = 2,309.18 : x
  2. Step 2: Convert to fraction form
    7,239.24/10,858.64 = 2,309.18/x
  3. Step 3: Cross multiply
    7,239.24x = 10,858.64 × 2,309.18
  4. Step 4: Simplify right side
    7,239.24x = 25,074,488.48
  5. Step 5: Solve for x
    x = 25,074,488.48/7,239.24
  6. Step 6: Final answer
    x = 3,463.69

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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.