Home / 6,693.28-9,237.65-3,860.81

Finding the Fourth Proportional to 6,693.28, 9,237.65 and 3,860.81

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Solution

The fourth proportional to 6,693.28, 9,237.65 and 3,860.81 is: 5,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693.28 : 9,237.65 = 3,860.81 : x
  2. Step 2: Convert to fraction form
    6,693.28/9,237.65 = 3,860.81/x
  3. Step 3: Cross multiply
    6,693.28x = 9,237.65 × 3,860.81
  4. Step 4: Simplify right side
    6,693.28x = 35,664,832.61
  5. Step 5: Solve for x
    x = 35,664,832.61/6,693.28
  6. Step 6: Final answer
    x = 5,328.45

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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.