Home / 7,886.19-10,882.78-4,349.41

Finding the Fourth Proportional to 7,886.19, 10,882.78 and 4,349.41

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Solution

The fourth proportional to 7,886.19, 10,882.78 and 4,349.41 is: 6,002.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886.19 : 10,882.78 = 4,349.41 : x
  2. Step 2: Convert to fraction form
    7,886.19/10,882.78 = 4,349.41/x
  3. Step 3: Cross multiply
    7,886.19x = 10,882.78 × 4,349.41
  4. Step 4: Simplify right side
    7,886.19x = 47,333,640.94
  5. Step 5: Solve for x
    x = 47,333,640.94/7,886.19
  6. Step 6: Final answer
    x = 6,002.09

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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.