Home / 7,207.36-10,810.14-1,942.79

Finding the Fourth Proportional to 7,207.36, 10,810.14 and 1,942.79

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Solution

The fourth proportional to 7,207.36, 10,810.14 and 1,942.79 is: 2,913.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.36 : 10,810.14 = 1,942.79 : x
  2. Step 2: Convert to fraction form
    7,207.36/10,810.14 = 1,942.79/x
  3. Step 3: Cross multiply
    7,207.36x = 10,810.14 × 1,942.79
  4. Step 4: Simplify right side
    7,207.36x = 21,001,831.89
  5. Step 5: Solve for x
    x = 21,001,831.89/7,207.36
  6. Step 6: Final answer
    x = 2,913.94

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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.