Home / 7,515.81-10,371.99-4,867.83

Finding the Fourth Proportional to 7,515.81, 10,371.99 and 4,867.83

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Solution

The fourth proportional to 7,515.81, 10,371.99 and 4,867.83 is: 6,717.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.81 : 10,371.99 = 4,867.83 : x
  2. Step 2: Convert to fraction form
    7,515.81/10,371.99 = 4,867.83/x
  3. Step 3: Cross multiply
    7,515.81x = 10,371.99 × 4,867.83
  4. Step 4: Simplify right side
    7,515.81x = 50,489,088.65
  5. Step 5: Solve for x
    x = 50,489,088.65/7,515.81
  6. Step 6: Final answer
    x = 6,717.72

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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.