Home / 7,812.45-11,717.91-4,301.31

Finding the Fourth Proportional to 7,812.45, 11,717.91 and 4,301.31

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Solution

The fourth proportional to 7,812.45, 11,717.91 and 4,301.31 is: 6,451.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812.45 : 11,717.91 = 4,301.31 : x
  2. Step 2: Convert to fraction form
    7,812.45/11,717.91 = 4,301.31/x
  3. Step 3: Cross multiply
    7,812.45x = 11,717.91 × 4,301.31
  4. Step 4: Simplify right side
    7,812.45x = 50,402,363.46
  5. Step 5: Solve for x
    x = 50,402,363.46/7,812.45
  6. Step 6: Final answer
    x = 6,451.54

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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.