Home / 6,860.60-10,280.38-3,574.76

Finding the Fourth Proportional to 6,860.60, 10,280.38 and 3,574.76

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Solution

The fourth proportional to 6,860.60, 10,280.38 and 3,574.76 is: 5,356.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.60 : 10,280.38 = 3,574.76 : x
  2. Step 2: Convert to fraction form
    6,860.60/10,280.38 = 3,574.76/x
  3. Step 3: Cross multiply
    6,860.60x = 10,280.38 × 3,574.76
  4. Step 4: Simplify right side
    6,860.60x = 36,749,891.21
  5. Step 5: Solve for x
    x = 36,749,891.21/6,860.60
  6. Step 6: Final answer
    x = 5,356.66

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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.