Home / 7,148.60-10,720.84-2,467.39

Finding the Fourth Proportional to 7,148.60, 10,720.84 and 2,467.39

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Solution

The fourth proportional to 7,148.60, 10,720.84 and 2,467.39 is: 3,700.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148.60 : 10,720.84 = 2,467.39 : x
  2. Step 2: Convert to fraction form
    7,148.60/10,720.84 = 2,467.39/x
  3. Step 3: Cross multiply
    7,148.60x = 10,720.84 × 2,467.39
  4. Step 4: Simplify right side
    7,148.60x = 26,452,493.41
  5. Step 5: Solve for x
    x = 26,452,493.41/7,148.60
  6. Step 6: Final answer
    x = 3,700.38

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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.