Home / 7,476.48-10,310.04-6,418.08

Finding the Fourth Proportional to 7,476.48, 10,310.04 and 6,418.08

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Solution

The fourth proportional to 7,476.48, 10,310.04 and 6,418.08 is: 8,850.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.48 : 10,310.04 = 6,418.08 : x
  2. Step 2: Convert to fraction form
    7,476.48/10,310.04 = 6,418.08/x
  3. Step 3: Cross multiply
    7,476.48x = 10,310.04 × 6,418.08
  4. Step 4: Simplify right side
    7,476.48x = 66,170,661.52
  5. Step 5: Solve for x
    x = 66,170,661.52/7,476.48
  6. Step 6: Final answer
    x = 8,850.51

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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.