Home / 5,042.95-7,559.80-2,121.46

Finding the Fourth Proportional to 5,042.95, 7,559.80 and 2,121.46

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Solution

The fourth proportional to 5,042.95, 7,559.80 and 2,121.46 is: 3,180.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.95 : 7,559.80 = 2,121.46 : x
  2. Step 2: Convert to fraction form
    5,042.95/7,559.80 = 2,121.46/x
  3. Step 3: Cross multiply
    5,042.95x = 7,559.80 × 2,121.46
  4. Step 4: Simplify right side
    5,042.95x = 16,037,813.31
  5. Step 5: Solve for x
    x = 16,037,813.31/5,042.95
  6. Step 6: Final answer
    x = 3,180.24

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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.