Home / 9,304.80-12,840.62-5,325.90

Finding the Fourth Proportional to 9,304.80, 12,840.62 and 5,325.90

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Solution

The fourth proportional to 9,304.80, 12,840.62 and 5,325.90 is: 7,349.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,304.80 : 12,840.62 = 5,325.90 : x
  2. Step 2: Convert to fraction form
    9,304.80/12,840.62 = 5,325.90/x
  3. Step 3: Cross multiply
    9,304.80x = 12,840.62 × 5,325.90
  4. Step 4: Simplify right side
    9,304.80x = 68,387,831.43
  5. Step 5: Solve for x
    x = 68,387,831.43/9,304.80
  6. Step 6: Final answer
    x = 7,349.74

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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.