Home / 7,756.88-10,703.68-4,398.62

Finding the Fourth Proportional to 7,756.88, 10,703.68 and 4,398.62

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Solution

The fourth proportional to 7,756.88, 10,703.68 and 4,398.62 is: 6,069.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.88 : 10,703.68 = 4,398.62 : x
  2. Step 2: Convert to fraction form
    7,756.88/10,703.68 = 4,398.62/x
  3. Step 3: Cross multiply
    7,756.88x = 10,703.68 × 4,398.62
  4. Step 4: Simplify right side
    7,756.88x = 47,081,356.41
  5. Step 5: Solve for x
    x = 47,081,356.41/7,756.88
  6. Step 6: Final answer
    x = 6,069.63

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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.