Home / 7,251.21-10,007.38-4,065.05

Finding the Fourth Proportional to 7,251.21, 10,007.38 and 4,065.05

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Solution

The fourth proportional to 7,251.21, 10,007.38 and 4,065.05 is: 5,610.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.21 : 10,007.38 = 4,065.05 : x
  2. Step 2: Convert to fraction form
    7,251.21/10,007.38 = 4,065.05/x
  3. Step 3: Cross multiply
    7,251.21x = 10,007.38 × 4,065.05
  4. Step 4: Simplify right side
    7,251.21x = 40,680,429.71
  5. Step 5: Solve for x
    x = 40,680,429.71/7,251.21
  6. Step 6: Final answer
    x = 5,610.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.