Home / 7,756.59-11,624.61-2,821.47

Finding the Fourth Proportional to 7,756.59, 11,624.61 and 2,821.47

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Solution

The fourth proportional to 7,756.59, 11,624.61 and 2,821.47 is: 4,228.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.59 : 11,624.61 = 2,821.47 : x
  2. Step 2: Convert to fraction form
    7,756.59/11,624.61 = 2,821.47/x
  3. Step 3: Cross multiply
    7,756.59x = 11,624.61 × 2,821.47
  4. Step 4: Simplify right side
    7,756.59x = 32,798,455.36
  5. Step 5: Solve for x
    x = 32,798,455.36/7,756.59
  6. Step 6: Final answer
    x = 4,228.46

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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.