Home / 6,877.02-10,316.85-2,928.20

Finding the Fourth Proportional to 6,877.02, 10,316.85 and 2,928.20

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Solution

The fourth proportional to 6,877.02, 10,316.85 and 2,928.20 is: 4,392.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.02 : 10,316.85 = 2,928.20 : x
  2. Step 2: Convert to fraction form
    6,877.02/10,316.85 = 2,928.20/x
  3. Step 3: Cross multiply
    6,877.02x = 10,316.85 × 2,928.20
  4. Step 4: Simplify right side
    6,877.02x = 30,209,785.53
  5. Step 5: Solve for x
    x = 30,209,785.53/6,877.02
  6. Step 6: Final answer
    x = 4,392.86

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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.