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Finding the Fourth Proportional to 6,693.65, 9,237.32 and 3,709.52

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Solution

The fourth proportional to 6,693.65, 9,237.32 and 3,709.52 is: 5,119.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693.65 : 9,237.32 = 3,709.52 : x
  2. Step 2: Convert to fraction form
    6,693.65/9,237.32 = 3,709.52/x
  3. Step 3: Cross multiply
    6,693.65x = 9,237.32 × 3,709.52
  4. Step 4: Simplify right side
    6,693.65x = 34,266,023.29
  5. Step 5: Solve for x
    x = 34,266,023.29/6,693.65
  6. Step 6: Final answer
    x = 5,119.18

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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.