Home / 5,785.02-8,678.43-1,888.02

Finding the Fourth Proportional to 5,785.02, 8,678.43 and 1,888.02

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Solution

The fourth proportional to 5,785.02, 8,678.43 and 1,888.02 is: 2,832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.02 : 8,678.43 = 1,888.02 : x
  2. Step 2: Convert to fraction form
    5,785.02/8,678.43 = 1,888.02/x
  3. Step 3: Cross multiply
    5,785.02x = 8,678.43 × 1,888.02
  4. Step 4: Simplify right side
    5,785.02x = 16,385,049.41
  5. Step 5: Solve for x
    x = 16,385,049.41/5,785.02
  6. Step 6: Final answer
    x = 2,832.32

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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.