Home / 4,622.57-6,931.78-2,158.11

Finding the Fourth Proportional to 4,622.57, 6,931.78 and 2,158.11

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Solution

The fourth proportional to 4,622.57, 6,931.78 and 2,158.11 is: 3,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.57 : 6,931.78 = 2,158.11 : x
  2. Step 2: Convert to fraction form
    4,622.57/6,931.78 = 2,158.11/x
  3. Step 3: Cross multiply
    4,622.57x = 6,931.78 × 2,158.11
  4. Step 4: Simplify right side
    4,622.57x = 14,959,538.34
  5. Step 5: Solve for x
    x = 14,959,538.34/4,622.57
  6. Step 6: Final answer
    x = 3,236.20

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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.