Home / 4,937.64-6,812.20-3,170.20

Finding the Fourth Proportional to 4,937.64, 6,812.20 and 3,170.20

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Solution

The fourth proportional to 4,937.64, 6,812.20 and 3,170.20 is: 4,373.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.64 : 6,812.20 = 3,170.20 : x
  2. Step 2: Convert to fraction form
    4,937.64/6,812.20 = 3,170.20/x
  3. Step 3: Cross multiply
    4,937.64x = 6,812.20 × 3,170.20
  4. Step 4: Simplify right side
    4,937.64x = 21,596,036.44
  5. Step 5: Solve for x
    x = 21,596,036.44/4,937.64
  6. Step 6: Final answer
    x = 4,373.76

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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.