Home / 7,482.32-11,223.66-3,582.44

Finding the Fourth Proportional to 7,482.32, 11,223.66 and 3,582.44

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Solution

The fourth proportional to 7,482.32, 11,223.66 and 3,582.44 is: 5,373.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.32 : 11,223.66 = 3,582.44 : x
  2. Step 2: Convert to fraction form
    7,482.32/11,223.66 = 3,582.44/x
  3. Step 3: Cross multiply
    7,482.32x = 11,223.66 × 3,582.44
  4. Step 4: Simplify right side
    7,482.32x = 40,208,088.53
  5. Step 5: Solve for x
    x = 40,208,088.53/7,482.32
  6. Step 6: Final answer
    x = 5,373.75

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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.