Home / 9,065.28-13,599.54-3,220.32

Finding the Fourth Proportional to 9,065.28, 13,599.54 and 3,220.32

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Solution

The fourth proportional to 9,065.28, 13,599.54 and 3,220.32 is: 4,831.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,065.28 : 13,599.54 = 3,220.32 : x
  2. Step 2: Convert to fraction form
    9,065.28/13,599.54 = 3,220.32/x
  3. Step 3: Cross multiply
    9,065.28x = 13,599.54 × 3,220.32
  4. Step 4: Simplify right side
    9,065.28x = 43,794,870.65
  5. Step 5: Solve for x
    x = 43,794,870.65/9,065.28
  6. Step 6: Final answer
    x = 4,831.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.