Home / 6,541.29-9,810.54-2,157.71

Finding the Fourth Proportional to 6,541.29, 9,810.54 and 2,157.71

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Solution

The fourth proportional to 6,541.29, 9,810.54 and 2,157.71 is: 3,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,541.29 : 9,810.54 = 2,157.71 : x
  2. Step 2: Convert to fraction form
    6,541.29/9,810.54 = 2,157.71/x
  3. Step 3: Cross multiply
    6,541.29x = 9,810.54 × 2,157.71
  4. Step 4: Simplify right side
    6,541.29x = 21,168,251.21
  5. Step 5: Solve for x
    x = 21,168,251.21/6,541.29
  6. Step 6: Final answer
    x = 3,236.10

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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.