Home / 4,972.10-6,861.48-2,847.63

Finding the Fourth Proportional to 4,972.10, 6,861.48 and 2,847.63

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Solution

The fourth proportional to 4,972.10, 6,861.48 and 2,847.63 is: 3,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.10 : 6,861.48 = 2,847.63 : x
  2. Step 2: Convert to fraction form
    4,972.10/6,861.48 = 2,847.63/x
  3. Step 3: Cross multiply
    4,972.10x = 6,861.48 × 2,847.63
  4. Step 4: Simplify right side
    4,972.10x = 19,538,956.29
  5. Step 5: Solve for x
    x = 19,538,956.29/4,972.10
  6. Step 6: Final answer
    x = 3,929.72

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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.