Home / 4,283.12-5,911.60-2,515.12

Finding the Fourth Proportional to 4,283.12, 5,911.60 and 2,515.12

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Solution

The fourth proportional to 4,283.12, 5,911.60 and 2,515.12 is: 3,471.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.12 : 5,911.60 = 2,515.12 : x
  2. Step 2: Convert to fraction form
    4,283.12/5,911.60 = 2,515.12/x
  3. Step 3: Cross multiply
    4,283.12x = 5,911.60 × 2,515.12
  4. Step 4: Simplify right side
    4,283.12x = 14,868,383.39
  5. Step 5: Solve for x
    x = 14,868,383.39/4,283.12
  6. Step 6: Final answer
    x = 3,471.39

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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.