Home / 4,170.61-6,236.95-3,117.15

Finding the Fourth Proportional to 4,170.61, 6,236.95 and 3,117.15

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Solution

The fourth proportional to 4,170.61, 6,236.95 and 3,117.15 is: 4,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.61 : 6,236.95 = 3,117.15 : x
  2. Step 2: Convert to fraction form
    4,170.61/6,236.95 = 3,117.15/x
  3. Step 3: Cross multiply
    4,170.61x = 6,236.95 × 3,117.15
  4. Step 4: Simplify right side
    4,170.61x = 19,441,506.74
  5. Step 5: Solve for x
    x = 19,441,506.74/4,170.61
  6. Step 6: Final answer
    x = 4,661.55

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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.