Home / 7,443.40-10,272.78-4,299.52

Finding the Fourth Proportional to 7,443.40, 10,272.78 and 4,299.52

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Solution

The fourth proportional to 7,443.40, 10,272.78 and 4,299.52 is: 5,933.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.40 : 10,272.78 = 4,299.52 : x
  2. Step 2: Convert to fraction form
    7,443.40/10,272.78 = 4,299.52/x
  3. Step 3: Cross multiply
    7,443.40x = 10,272.78 × 4,299.52
  4. Step 4: Simplify right side
    7,443.40x = 44,168,023.07
  5. Step 5: Solve for x
    x = 44,168,023.07/7,443.40
  6. Step 6: Final answer
    x = 5,933.85

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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.