Home / 8,521.16-12,774.21-3,323.39

Finding the Fourth Proportional to 8,521.16, 12,774.21 and 3,323.39

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Solution

The fourth proportional to 8,521.16, 12,774.21 and 3,323.39 is: 4,982.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.16 : 12,774.21 = 3,323.39 : x
  2. Step 2: Convert to fraction form
    8,521.16/12,774.21 = 3,323.39/x
  3. Step 3: Cross multiply
    8,521.16x = 12,774.21 × 3,323.39
  4. Step 4: Simplify right side
    8,521.16x = 42,453,681.77
  5. Step 5: Solve for x
    x = 42,453,681.77/8,521.16
  6. Step 6: Final answer
    x = 4,982.15

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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.