Home / 4,283.40-5,911.13-2,515.03

Finding the Fourth Proportional to 4,283.40, 5,911.13 and 2,515.03

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Solution

The fourth proportional to 4,283.40, 5,911.13 and 2,515.03 is: 3,470.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.40 : 5,911.13 = 2,515.03 : x
  2. Step 2: Convert to fraction form
    4,283.40/5,911.13 = 2,515.03/x
  3. Step 3: Cross multiply
    4,283.40x = 5,911.13 × 2,515.03
  4. Step 4: Simplify right side
    4,283.40x = 14,866,669.28
  5. Step 5: Solve for x
    x = 14,866,669.28/4,283.40
  6. Step 6: Final answer
    x = 3,470.76

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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.