Home / 4,801.95-6,626.70-2,812.11

Finding the Fourth Proportional to 4,801.95, 6,626.70 and 2,812.11

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Solution

The fourth proportional to 4,801.95, 6,626.70 and 2,812.11 is: 3,880.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,801.95 : 6,626.70 = 2,812.11 : x
  2. Step 2: Convert to fraction form
    4,801.95/6,626.70 = 2,812.11/x
  3. Step 3: Cross multiply
    4,801.95x = 6,626.70 × 2,812.11
  4. Step 4: Simplify right side
    4,801.95x = 18,635,009.34
  5. Step 5: Solve for x
    x = 18,635,009.34/4,801.95
  6. Step 6: Final answer
    x = 3,880.72

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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.