Home / 7,150.38-9,872.33-4,465.68

Finding the Fourth Proportional to 7,150.38, 9,872.33 and 4,465.68

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Solution

The fourth proportional to 7,150.38, 9,872.33 and 4,465.68 is: 6,165.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.38 : 9,872.33 = 4,465.68 : x
  2. Step 2: Convert to fraction form
    7,150.38/9,872.33 = 4,465.68/x
  3. Step 3: Cross multiply
    7,150.38x = 9,872.33 × 4,465.68
  4. Step 4: Simplify right side
    7,150.38x = 44,086,666.63
  5. Step 5: Solve for x
    x = 44,086,666.63/7,150.38
  6. Step 6: Final answer
    x = 6,165.64

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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.