Home / 7,108.75-10,663.73-2,428.57

Finding the Fourth Proportional to 7,108.75, 10,663.73 and 2,428.57

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Solution

The fourth proportional to 7,108.75, 10,663.73 and 2,428.57 is: 3,643.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.75 : 10,663.73 = 2,428.57 : x
  2. Step 2: Convert to fraction form
    7,108.75/10,663.73 = 2,428.57/x
  3. Step 3: Cross multiply
    7,108.75x = 10,663.73 × 2,428.57
  4. Step 4: Simplify right side
    7,108.75x = 25,897,614.77
  5. Step 5: Solve for x
    x = 25,897,614.77/7,108.75
  6. Step 6: Final answer
    x = 3,643.06

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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.