Home / 7,478.93-11,221.64-4,012.13

Finding the Fourth Proportional to 7,478.93, 11,221.64 and 4,012.13

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Solution

The fourth proportional to 7,478.93, 11,221.64 and 4,012.13 is: 6,019.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.93 : 11,221.64 = 4,012.13 : x
  2. Step 2: Convert to fraction form
    7,478.93/11,221.64 = 4,012.13/x
  3. Step 3: Cross multiply
    7,478.93x = 11,221.64 × 4,012.13
  4. Step 4: Simplify right side
    7,478.93x = 45,022,678.49
  5. Step 5: Solve for x
    x = 45,022,678.49/7,478.93
  6. Step 6: Final answer
    x = 6,019.94

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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.