Home / 7,484.32-11,225.20-2,219.21

Finding the Fourth Proportional to 7,484.32, 11,225.20 and 2,219.21

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Solution

The fourth proportional to 7,484.32, 11,225.20 and 2,219.21 is: 3,328.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.32 : 11,225.20 = 2,219.21 : x
  2. Step 2: Convert to fraction form
    7,484.32/11,225.20 = 2,219.21/x
  3. Step 3: Cross multiply
    7,484.32x = 11,225.20 × 2,219.21
  4. Step 4: Simplify right side
    7,484.32x = 24,911,076.09
  5. Step 5: Solve for x
    x = 24,911,076.09/7,484.32
  6. Step 6: Final answer
    x = 3,328.44

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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.