Home / 8,980.08-13,471.06-3,136.74

Finding the Fourth Proportional to 8,980.08, 13,471.06 and 3,136.74

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Solution

The fourth proportional to 8,980.08, 13,471.06 and 3,136.74 is: 4,705.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.08 : 13,471.06 = 3,136.74 : x
  2. Step 2: Convert to fraction form
    8,980.08/13,471.06 = 3,136.74/x
  3. Step 3: Cross multiply
    8,980.08x = 13,471.06 × 3,136.74
  4. Step 4: Simplify right side
    8,980.08x = 42,255,212.74
  5. Step 5: Solve for x
    x = 42,255,212.74/8,980.08
  6. Step 6: Final answer
    x = 4,705.44

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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.