Home / 6,293.64-9,439.98-1,911.12

Finding the Fourth Proportional to 6,293.64, 9,439.98 and 1,911.12

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Solution

The fourth proportional to 6,293.64, 9,439.98 and 1,911.12 is: 2,866.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,293.64 : 9,439.98 = 1,911.12 : x
  2. Step 2: Convert to fraction form
    6,293.64/9,439.98 = 1,911.12/x
  3. Step 3: Cross multiply
    6,293.64x = 9,439.98 × 1,911.12
  4. Step 4: Simplify right side
    6,293.64x = 18,040,934.58
  5. Step 5: Solve for x
    x = 18,040,934.58/6,293.64
  6. Step 6: Final answer
    x = 2,866.53

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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.