Home / 10,056.78-13,880.02-5,581.97

Finding the Fourth Proportional to 10,056.78, 13,880.02 and 5,581.97

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Solution

The fourth proportional to 10,056.78, 13,880.02 and 5,581.97 is: 7,704.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,056.78 : 13,880.02 = 5,581.97 : x
  2. Step 2: Convert to fraction form
    10,056.78/13,880.02 = 5,581.97/x
  3. Step 3: Cross multiply
    10,056.78x = 13,880.02 × 5,581.97
  4. Step 4: Simplify right side
    10,056.78x = 77,477,855.24
  5. Step 5: Solve for x
    x = 77,477,855.24/10,056.78
  6. Step 6: Final answer
    x = 7,704.04

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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.