Home / 8,387.49-11,574.78-4,610.90

Finding the Fourth Proportional to 8,387.49, 11,574.78 and 4,610.90

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Solution

The fourth proportional to 8,387.49, 11,574.78 and 4,610.90 is: 6,363.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387.49 : 11,574.78 = 4,610.90 : x
  2. Step 2: Convert to fraction form
    8,387.49/11,574.78 = 4,610.90/x
  3. Step 3: Cross multiply
    8,387.49x = 11,574.78 × 4,610.90
  4. Step 4: Simplify right side
    8,387.49x = 53,370,183.09
  5. Step 5: Solve for x
    x = 53,370,183.09/8,387.49
  6. Step 6: Final answer
    x = 6,363.07

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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.