Home / 7,239.23-9,991.68-4,716.82

Finding the Fourth Proportional to 7,239.23, 9,991.68 and 4,716.82

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Solution

The fourth proportional to 7,239.23, 9,991.68 and 4,716.82 is: 6,510.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.23 : 9,991.68 = 4,716.82 : x
  2. Step 2: Convert to fraction form
    7,239.23/9,991.68 = 4,716.82/x
  3. Step 3: Cross multiply
    7,239.23x = 9,991.68 × 4,716.82
  4. Step 4: Simplify right side
    7,239.23x = 47,128,956.06
  5. Step 5: Solve for x
    x = 47,128,956.06/7,239.23
  6. Step 6: Final answer
    x = 6,510.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.