Home / 4,148.12-6,220.82-1,515.02

Finding the Fourth Proportional to 4,148.12, 6,220.82 and 1,515.02

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Solution

The fourth proportional to 4,148.12, 6,220.82 and 1,515.02 is: 2,272.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.12 : 6,220.82 = 1,515.02 : x
  2. Step 2: Convert to fraction form
    4,148.12/6,220.82 = 1,515.02/x
  3. Step 3: Cross multiply
    4,148.12x = 6,220.82 × 1,515.02
  4. Step 4: Simplify right side
    4,148.12x = 9,424,639.40
  5. Step 5: Solve for x
    x = 9,424,639.40/4,148.12
  6. Step 6: Final answer
    x = 2,272.03

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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.