Home / 7,320.17-10,106.78-4,806.56

Finding the Fourth Proportional to 7,320.17, 10,106.78 and 4,806.56

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Solution

The fourth proportional to 7,320.17, 10,106.78 and 4,806.56 is: 6,636.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.17 : 10,106.78 = 4,806.56 : x
  2. Step 2: Convert to fraction form
    7,320.17/10,106.78 = 4,806.56/x
  3. Step 3: Cross multiply
    7,320.17x = 10,106.78 × 4,806.56
  4. Step 4: Simplify right side
    7,320.17x = 48,578,769.91
  5. Step 5: Solve for x
    x = 48,578,769.91/7,320.17
  6. Step 6: Final answer
    x = 6,636.29

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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.