Home / 8,485.05-12,726.97-2,641.51

Finding the Fourth Proportional to 8,485.05, 12,726.97 and 2,641.51

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Solution

The fourth proportional to 8,485.05, 12,726.97 and 2,641.51 is: 3,962.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.05 : 12,726.97 = 2,641.51 : x
  2. Step 2: Convert to fraction form
    8,485.05/12,726.97 = 2,641.51/x
  3. Step 3: Cross multiply
    8,485.05x = 12,726.97 × 2,641.51
  4. Step 4: Simplify right side
    8,485.05x = 33,618,442.69
  5. Step 5: Solve for x
    x = 33,618,442.69/8,485.05
  6. Step 6: Final answer
    x = 3,962.08

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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.