Home / 9,327.03-12,871.35-5,349.12

Finding the Fourth Proportional to 9,327.03, 12,871.35 and 5,349.12

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Solution

The fourth proportional to 9,327.03, 12,871.35 and 5,349.12 is: 7,381.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.03 : 12,871.35 = 5,349.12 : x
  2. Step 2: Convert to fraction form
    9,327.03/12,871.35 = 5,349.12/x
  3. Step 3: Cross multiply
    9,327.03x = 12,871.35 × 5,349.12
  4. Step 4: Simplify right side
    9,327.03x = 68,850,395.71
  5. Step 5: Solve for x
    x = 68,850,395.71/9,327.03
  6. Step 6: Final answer
    x = 7,381.81

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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.