Home / 4,340.81-6,506.40-2,151.11

Finding the Fourth Proportional to 4,340.81, 6,506.40 and 2,151.11

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Solution

The fourth proportional to 4,340.81, 6,506.40 and 2,151.11 is: 3,224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,340.81 : 6,506.40 = 2,151.11 : x
  2. Step 2: Convert to fraction form
    4,340.81/6,506.40 = 2,151.11/x
  3. Step 3: Cross multiply
    4,340.81x = 6,506.40 × 2,151.11
  4. Step 4: Simplify right side
    4,340.81x = 13,995,982.10
  5. Step 5: Solve for x
    x = 13,995,982.10/4,340.81
  6. Step 6: Final answer
    x = 3,224.28

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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.