Home / 6,717.47-9,265.32-4,478.22

Finding the Fourth Proportional to 6,717.47, 9,265.32 and 4,478.22

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Solution

The fourth proportional to 6,717.47, 9,265.32 and 4,478.22 is: 6,176.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.47 : 9,265.32 = 4,478.22 : x
  2. Step 2: Convert to fraction form
    6,717.47/9,265.32 = 4,478.22/x
  3. Step 3: Cross multiply
    6,717.47x = 9,265.32 × 4,478.22
  4. Step 4: Simplify right side
    6,717.47x = 41,492,141.33
  5. Step 5: Solve for x
    x = 41,492,141.33/6,717.47
  6. Step 6: Final answer
    x = 6,176.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.