Home / 6,386.53-9,583.50-2,688.52

Finding the Fourth Proportional to 6,386.53, 9,583.50 and 2,688.52

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Solution

The fourth proportional to 6,386.53, 9,583.50 and 2,688.52 is: 4,034.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.53 : 9,583.50 = 2,688.52 : x
  2. Step 2: Convert to fraction form
    6,386.53/9,583.50 = 2,688.52/x
  3. Step 3: Cross multiply
    6,386.53x = 9,583.50 × 2,688.52
  4. Step 4: Simplify right side
    6,386.53x = 25,765,431.42
  5. Step 5: Solve for x
    x = 25,765,431.42/6,386.53
  6. Step 6: Final answer
    x = 4,034.34

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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.