Home / 5,672.45-8,509.59-1,974.80

Finding the Fourth Proportional to 5,672.45, 8,509.59 and 1,974.80

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Solution

The fourth proportional to 5,672.45, 8,509.59 and 1,974.80 is: 2,962.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.45 : 8,509.59 = 1,974.80 : x
  2. Step 2: Convert to fraction form
    5,672.45/8,509.59 = 1,974.80/x
  3. Step 3: Cross multiply
    5,672.45x = 8,509.59 × 1,974.80
  4. Step 4: Simplify right side
    5,672.45x = 16,804,759.61
  5. Step 5: Solve for x
    x = 16,804,759.61/5,672.45
  6. Step 6: Final answer
    x = 2,962.52

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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.