Home / 8,673.47-13,011.45-2,828.71

Finding the Fourth Proportional to 8,673.47, 13,011.45 and 2,828.71

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Solution

The fourth proportional to 8,673.47, 13,011.45 and 2,828.71 is: 4,243.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.47 : 13,011.45 = 2,828.71 : x
  2. Step 2: Convert to fraction form
    8,673.47/13,011.45 = 2,828.71/x
  3. Step 3: Cross multiply
    8,673.47x = 13,011.45 × 2,828.71
  4. Step 4: Simplify right side
    8,673.47x = 36,805,618.73
  5. Step 5: Solve for x
    x = 36,805,618.73/8,673.47
  6. Step 6: Final answer
    x = 4,243.47

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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.