Home / 7,478.06-11,220.32-4,011.26

Finding the Fourth Proportional to 7,478.06, 11,220.32 and 4,011.26

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Solution

The fourth proportional to 7,478.06, 11,220.32 and 4,011.26 is: 6,018.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.06 : 11,220.32 = 4,011.26 : x
  2. Step 2: Convert to fraction form
    7,478.06/11,220.32 = 4,011.26/x
  3. Step 3: Cross multiply
    7,478.06x = 11,220.32 × 4,011.26
  4. Step 4: Simplify right side
    7,478.06x = 45,007,574.73
  5. Step 5: Solve for x
    x = 45,007,574.73/7,478.06
  6. Step 6: Final answer
    x = 6,018.62

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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.