Home / 8,427.49-12,642.51-2,726.56

Finding the Fourth Proportional to 8,427.49, 12,642.51 and 2,726.56

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Solution

The fourth proportional to 8,427.49, 12,642.51 and 2,726.56 is: 4,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.49 : 12,642.51 = 2,726.56 : x
  2. Step 2: Convert to fraction form
    8,427.49/12,642.51 = 2,726.56/x
  3. Step 3: Cross multiply
    8,427.49x = 12,642.51 × 2,726.56
  4. Step 4: Simplify right side
    8,427.49x = 34,470,562.07
  5. Step 5: Solve for x
    x = 34,470,562.07/8,427.49
  6. Step 6: Final answer
    x = 4,090.25

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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.