Home / 6,378.63-9,565.62-2,217.52

Finding the Fourth Proportional to 6,378.63, 9,565.62 and 2,217.52

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Solution

The fourth proportional to 6,378.63, 9,565.62 and 2,217.52 is: 3,325.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.63 : 9,565.62 = 2,217.52 : x
  2. Step 2: Convert to fraction form
    6,378.63/9,565.62 = 2,217.52/x
  3. Step 3: Cross multiply
    6,378.63x = 9,565.62 × 2,217.52
  4. Step 4: Simplify right side
    6,378.63x = 21,211,953.66
  5. Step 5: Solve for x
    x = 21,211,953.66/6,378.63
  6. Step 6: Final answer
    x = 3,325.47

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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.