Home / 6,387.53-9,574.20-2,688.66

Finding the Fourth Proportional to 6,387.53, 9,574.20 and 2,688.66

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Solution

The fourth proportional to 6,387.53, 9,574.20 and 2,688.66 is: 4,030.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.53 : 9,574.20 = 2,688.66 : x
  2. Step 2: Convert to fraction form
    6,387.53/9,574.20 = 2,688.66/x
  3. Step 3: Cross multiply
    6,387.53x = 9,574.20 × 2,688.66
  4. Step 4: Simplify right side
    6,387.53x = 25,741,768.57
  5. Step 5: Solve for x
    x = 25,741,768.57/6,387.53
  6. Step 6: Final answer
    x = 4,030.01

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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.