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Finding the Fourth Proportional to 6,693, 10,038.90 and 4,515.72

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Solution

The fourth proportional to 6,693, 10,038.90 and 4,515.72 is: 6,773.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693 : 10,038.90 = 4,515.72 : x
  2. Step 2: Convert to fraction form
    6,693/10,038.90 = 4,515.72/x
  3. Step 3: Cross multiply
    6,693x = 10,038.90 × 4,515.72
  4. Step 4: Simplify right side
    6,693x = 45,332,861.51
  5. Step 5: Solve for x
    x = 45,332,861.51/6,693
  6. Step 6: Final answer
    x = 6,773.18

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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.