Home / 7,438.56-10,265.16-4,126.56

Finding the Fourth Proportional to 7,438.56, 10,265.16 and 4,126.56

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Solution

The fourth proportional to 7,438.56, 10,265.16 and 4,126.56 is: 5,694.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.56 : 10,265.16 = 4,126.56 : x
  2. Step 2: Convert to fraction form
    7,438.56/10,265.16 = 4,126.56/x
  3. Step 3: Cross multiply
    7,438.56x = 10,265.16 × 4,126.56
  4. Step 4: Simplify right side
    7,438.56x = 42,359,798.65
  5. Step 5: Solve for x
    x = 42,359,798.65/7,438.56
  6. Step 6: Final answer
    x = 5,694.62

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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.