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Finding the Fourth Proportional to 6,768, 10,155.04 and 4,302.18

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Solution

The fourth proportional to 6,768, 10,155.04 and 4,302.18 is: 6,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768 : 10,155.04 = 4,302.18 : x
  2. Step 2: Convert to fraction form
    6,768/10,155.04 = 4,302.18/x
  3. Step 3: Cross multiply
    6,768x = 10,155.04 × 4,302.18
  4. Step 4: Simplify right side
    6,768x = 43,688,809.99
  5. Step 5: Solve for x
    x = 43,688,809.99/6,768
  6. Step 6: Final answer
    x = 6,455.20

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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.