Home / 7,801.19-11,701.81-2,254.98

Finding the Fourth Proportional to 7,801.19, 11,701.81 and 2,254.98

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Solution

The fourth proportional to 7,801.19, 11,701.81 and 2,254.98 is: 3,382.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.19 : 11,701.81 = 2,254.98 : x
  2. Step 2: Convert to fraction form
    7,801.19/11,701.81 = 2,254.98/x
  3. Step 3: Cross multiply
    7,801.19x = 11,701.81 × 2,254.98
  4. Step 4: Simplify right side
    7,801.19x = 26,387,381.53
  5. Step 5: Solve for x
    x = 26,387,381.53/7,801.19
  6. Step 6: Final answer
    x = 3,382.48

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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.