Home / 7,438.24-10,264.69-4,080.89

Finding the Fourth Proportional to 7,438.24, 10,264.69 and 4,080.89

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Solution

The fourth proportional to 7,438.24, 10,264.69 and 4,080.89 is: 5,631.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.24 : 10,264.69 = 4,080.89 : x
  2. Step 2: Convert to fraction form
    7,438.24/10,264.69 = 4,080.89/x
  3. Step 3: Cross multiply
    7,438.24x = 10,264.69 × 4,080.89
  4. Step 4: Simplify right side
    7,438.24x = 41,889,101.54
  5. Step 5: Solve for x
    x = 41,889,101.54/7,438.24
  6. Step 6: Final answer
    x = 5,631.59

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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.