Home / 9,313.87-12,853.29-5,335.33

Finding the Fourth Proportional to 9,313.87, 12,853.29 and 5,335.33

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Solution

The fourth proportional to 9,313.87, 12,853.29 and 5,335.33 is: 7,362.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313.87 : 12,853.29 = 5,335.33 : x
  2. Step 2: Convert to fraction form
    9,313.87/12,853.29 = 5,335.33/x
  3. Step 3: Cross multiply
    9,313.87x = 12,853.29 × 5,335.33
  4. Step 4: Simplify right side
    9,313.87x = 68,576,531.61
  5. Step 5: Solve for x
    x = 68,576,531.61/9,313.87
  6. Step 6: Final answer
    x = 7,362.84

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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.