Home / 5,091.84-7,026.51-2,853.70

Finding the Fourth Proportional to 5,091.84, 7,026.51 and 2,853.70

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Solution

The fourth proportional to 5,091.84, 7,026.51 and 2,853.70 is: 3,937.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.84 : 7,026.51 = 2,853.70 : x
  2. Step 2: Convert to fraction form
    5,091.84/7,026.51 = 2,853.70/x
  3. Step 3: Cross multiply
    5,091.84x = 7,026.51 × 2,853.70
  4. Step 4: Simplify right side
    5,091.84x = 20,051,571.07
  5. Step 5: Solve for x
    x = 20,051,571.07/5,091.84
  6. Step 6: Final answer
    x = 3,937.98

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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.