Home / 7,557.66-11,331.24-2,878.02

Finding the Fourth Proportional to 7,557.66, 11,331.24 and 2,878.02

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Solution

The fourth proportional to 7,557.66, 11,331.24 and 2,878.02 is: 4,315.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.66 : 11,331.24 = 2,878.02 : x
  2. Step 2: Convert to fraction form
    7,557.66/11,331.24 = 2,878.02/x
  3. Step 3: Cross multiply
    7,557.66x = 11,331.24 × 2,878.02
  4. Step 4: Simplify right side
    7,557.66x = 32,611,535.34
  5. Step 5: Solve for x
    x = 32,611,535.34/7,557.66
  6. Step 6: Final answer
    x = 4,315.03

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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.