Home / 5,437.40-8,149.80-2,509.60

Finding the Fourth Proportional to 5,437.40, 8,149.80 and 2,509.60

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Solution

The fourth proportional to 5,437.40, 8,149.80 and 2,509.60 is: 3,761.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.40 : 8,149.80 = 2,509.60 : x
  2. Step 2: Convert to fraction form
    5,437.40/8,149.80 = 2,509.60/x
  3. Step 3: Cross multiply
    5,437.40x = 8,149.80 × 2,509.60
  4. Step 4: Simplify right side
    5,437.40x = 20,452,738.08
  5. Step 5: Solve for x
    x = 20,452,738.08/5,437.40
  6. Step 6: Final answer
    x = 3,761.49

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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.