Home / 4,476.34-6,176.98-2,486.78

Finding the Fourth Proportional to 4,476.34, 6,176.98 and 2,486.78

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Solution

The fourth proportional to 4,476.34, 6,176.98 and 2,486.78 is: 3,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,476.34 : 6,176.98 = 2,486.78 : x
  2. Step 2: Convert to fraction form
    4,476.34/6,176.98 = 2,486.78/x
  3. Step 3: Cross multiply
    4,476.34x = 6,176.98 × 2,486.78
  4. Step 4: Simplify right side
    4,476.34x = 15,360,790.32
  5. Step 5: Solve for x
    x = 15,360,790.32/4,476.34
  6. Step 6: Final answer
    x = 3,431.55

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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.