Home / 8,851.84-13,279.74-2,928.52

Finding the Fourth Proportional to 8,851.84, 13,279.74 and 2,928.52

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Solution

The fourth proportional to 8,851.84, 13,279.74 and 2,928.52 is: 4,393.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.84 : 13,279.74 = 2,928.52 : x
  2. Step 2: Convert to fraction form
    8,851.84/13,279.74 = 2,928.52/x
  3. Step 3: Cross multiply
    8,851.84x = 13,279.74 × 2,928.52
  4. Step 4: Simplify right side
    8,851.84x = 38,889,984.18
  5. Step 5: Solve for x
    x = 38,889,984.18/8,851.84
  6. Step 6: Final answer
    x = 4,393.44

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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.