Home / 7,419.40-10,239.94-4,437.56

Finding the Fourth Proportional to 7,419.40, 10,239.94 and 4,437.56

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Solution

The fourth proportional to 7,419.40, 10,239.94 and 4,437.56 is: 6,124.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.40 : 10,239.94 = 4,437.56 : x
  2. Step 2: Convert to fraction form
    7,419.40/10,239.94 = 4,437.56/x
  3. Step 3: Cross multiply
    7,419.40x = 10,239.94 × 4,437.56
  4. Step 4: Simplify right side
    7,419.40x = 45,440,348.15
  5. Step 5: Solve for x
    x = 45,440,348.15/7,419.40
  6. Step 6: Final answer
    x = 6,124.53

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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.