Home / 6,925.02-10,387.80-2,765.40

Finding the Fourth Proportional to 6,925.02, 10,387.80 and 2,765.40

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Solution

The fourth proportional to 6,925.02, 10,387.80 and 2,765.40 is: 4,148.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925.02 : 10,387.80 = 2,765.40 : x
  2. Step 2: Convert to fraction form
    6,925.02/10,387.80 = 2,765.40/x
  3. Step 3: Cross multiply
    6,925.02x = 10,387.80 × 2,765.40
  4. Step 4: Simplify right side
    6,925.02x = 28,726,422.12
  5. Step 5: Solve for x
    x = 28,726,422.12/6,925.02
  6. Step 6: Final answer
    x = 4,148.21

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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.