Home / 4,290.57-6,434.78-1,516.46

Finding the Fourth Proportional to 4,290.57, 6,434.78 and 1,516.46

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Solution

The fourth proportional to 4,290.57, 6,434.78 and 1,516.46 is: 2,274.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.57 : 6,434.78 = 1,516.46 : x
  2. Step 2: Convert to fraction form
    4,290.57/6,434.78 = 1,516.46/x
  3. Step 3: Cross multiply
    4,290.57x = 6,434.78 × 1,516.46
  4. Step 4: Simplify right side
    4,290.57x = 9,758,046.72
  5. Step 5: Solve for x
    x = 9,758,046.72/4,290.57
  6. Step 6: Final answer
    x = 2,274.30

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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.