Home / 7,400.48-11,095.23-4,478.09

Finding the Fourth Proportional to 7,400.48, 11,095.23 and 4,478.09

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Solution

The fourth proportional to 7,400.48, 11,095.23 and 4,478.09 is: 6,713.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.48 : 11,095.23 = 4,478.09 : x
  2. Step 2: Convert to fraction form
    7,400.48/11,095.23 = 4,478.09/x
  3. Step 3: Cross multiply
    7,400.48x = 11,095.23 × 4,478.09
  4. Step 4: Simplify right side
    7,400.48x = 49,685,438.51
  5. Step 5: Solve for x
    x = 49,685,438.51/7,400.48
  6. Step 6: Final answer
    x = 6,713.81

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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.