Home / 4,341.72-6,511.88-1,221.44

Finding the Fourth Proportional to 4,341.72, 6,511.88 and 1,221.44

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Solution

The fourth proportional to 4,341.72, 6,511.88 and 1,221.44 is: 1,831.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,341.72 : 6,511.88 = 1,221.44 : x
  2. Step 2: Convert to fraction form
    4,341.72/6,511.88 = 1,221.44/x
  3. Step 3: Cross multiply
    4,341.72x = 6,511.88 × 1,221.44
  4. Step 4: Simplify right side
    4,341.72x = 7,953,870.71
  5. Step 5: Solve for x
    x = 7,953,870.71/4,341.72
  6. Step 6: Final answer
    x = 1,831.96

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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.