Home / 7,286.66-10,930.02-3,126.32

Finding the Fourth Proportional to 7,286.66, 10,930.02 and 3,126.32

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Solution

The fourth proportional to 7,286.66, 10,930.02 and 3,126.32 is: 4,689.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.66 : 10,930.02 = 3,126.32 : x
  2. Step 2: Convert to fraction form
    7,286.66/10,930.02 = 3,126.32/x
  3. Step 3: Cross multiply
    7,286.66x = 10,930.02 × 3,126.32
  4. Step 4: Simplify right side
    7,286.66x = 34,170,740.13
  5. Step 5: Solve for x
    x = 34,170,740.13/7,286.66
  6. Step 6: Final answer
    x = 4,689.49

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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.