Home / 7,239.45-10,859.99-2,307.90

Finding the Fourth Proportional to 7,239.45, 10,859.99 and 2,307.90

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Solution

The fourth proportional to 7,239.45, 10,859.99 and 2,307.90 is: 3,462.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.45 : 10,859.99 = 2,307.90 : x
  2. Step 2: Convert to fraction form
    7,239.45/10,859.99 = 2,307.90/x
  3. Step 3: Cross multiply
    7,239.45x = 10,859.99 × 2,307.90
  4. Step 4: Simplify right side
    7,239.45x = 25,063,759.38
  5. Step 5: Solve for x
    x = 25,063,759.38/7,239.45
  6. Step 6: Final answer
    x = 3,462.11

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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.