Home / 4,265.70-6,397.47-1,668.66

Finding the Fourth Proportional to 4,265.70, 6,397.47 and 1,668.66

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Solution

The fourth proportional to 4,265.70, 6,397.47 and 1,668.66 is: 2,502.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.70 : 6,397.47 = 1,668.66 : x
  2. Step 2: Convert to fraction form
    4,265.70/6,397.47 = 1,668.66/x
  3. Step 3: Cross multiply
    4,265.70x = 6,397.47 × 1,668.66
  4. Step 4: Simplify right side
    4,265.70x = 10,675,202.29
  5. Step 5: Solve for x
    x = 10,675,202.29/4,265.70
  6. Step 6: Final answer
    x = 2,502.57

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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.