Home / 8,710.36-12,022.19-5,356.05

Finding the Fourth Proportional to 8,710.36, 12,022.19 and 5,356.05

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Solution

The fourth proportional to 8,710.36, 12,022.19 and 5,356.05 is: 7,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.36 : 12,022.19 = 5,356.05 : x
  2. Step 2: Convert to fraction form
    8,710.36/12,022.19 = 5,356.05/x
  3. Step 3: Cross multiply
    8,710.36x = 12,022.19 × 5,356.05
  4. Step 4: Simplify right side
    8,710.36x = 64,391,398.97
  5. Step 5: Solve for x
    x = 64,391,398.97/8,710.36
  6. Step 6: Final answer
    x = 7,392.51

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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.