Home / 6,317.52-9,478.74-2,618.82

Finding the Fourth Proportional to 6,317.52, 9,478.74 and 2,618.82

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Solution

The fourth proportional to 6,317.52, 9,478.74 and 2,618.82 is: 3,929.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.52 : 9,478.74 = 2,618.82 : x
  2. Step 2: Convert to fraction form
    6,317.52/9,478.74 = 2,618.82/x
  3. Step 3: Cross multiply
    6,317.52x = 9,478.74 × 2,618.82
  4. Step 4: Simplify right side
    6,317.52x = 24,823,113.89
  5. Step 5: Solve for x
    x = 24,823,113.89/6,317.52
  6. Step 6: Final answer
    x = 3,929.25

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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.