Home / 4,443.39-6,666.03-1,520.91

Finding the Fourth Proportional to 4,443.39, 6,666.03 and 1,520.91

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Solution

The fourth proportional to 4,443.39, 6,666.03 and 1,520.91 is: 2,281.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,443.39 : 6,666.03 = 1,520.91 : x
  2. Step 2: Convert to fraction form
    4,443.39/6,666.03 = 1,520.91/x
  3. Step 3: Cross multiply
    4,443.39x = 6,666.03 × 1,520.91
  4. Step 4: Simplify right side
    4,443.39x = 10,138,431.69
  5. Step 5: Solve for x
    x = 10,138,431.69/4,443.39
  6. Step 6: Final answer
    x = 2,281.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.