Home / 7,421.46-10,240.92-4,436.70

Finding the Fourth Proportional to 7,421.46, 10,240.92 and 4,436.70

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Solution

The fourth proportional to 7,421.46, 10,240.92 and 4,436.70 is: 6,122.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.46 : 10,240.92 = 4,436.70 : x
  2. Step 2: Convert to fraction form
    7,421.46/10,240.92 = 4,436.70/x
  3. Step 3: Cross multiply
    7,421.46x = 10,240.92 × 4,436.70
  4. Step 4: Simplify right side
    7,421.46x = 45,435,889.76
  5. Step 5: Solve for x
    x = 45,435,889.76/7,421.46
  6. Step 6: Final answer
    x = 6,122.23

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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.