Home / 6,839.31-10,263-2,890.32

Finding the Fourth Proportional to 6,839.31, 10,263 and 2,890.32

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Solution

The fourth proportional to 6,839.31, 10,263 and 2,890.32 is: 4,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.31 : 10,263 = 2,890.32 : x
  2. Step 2: Convert to fraction form
    6,839.31/10,263 = 2,890.32/x
  3. Step 3: Cross multiply
    6,839.31x = 10,263 × 2,890.32
  4. Step 4: Simplify right side
    6,839.31x = 29,663,354.16
  5. Step 5: Solve for x
    x = 29,663,354.16/6,839.31
  6. Step 6: Final answer
    x = 4,337.19

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1.5x scale

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.