Home / 7,854.55-11,776.35-3,690.56

Finding the Fourth Proportional to 7,854.55, 11,776.35 and 3,690.56

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Solution

The fourth proportional to 7,854.55, 11,776.35 and 3,690.56 is: 5,533.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.55 : 11,776.35 = 3,690.56 : x
  2. Step 2: Convert to fraction form
    7,854.55/11,776.35 = 3,690.56/x
  3. Step 3: Cross multiply
    7,854.55x = 11,776.35 × 3,690.56
  4. Step 4: Simplify right side
    7,854.55x = 43,461,371.48
  5. Step 5: Solve for x
    x = 43,461,371.48/7,854.55
  6. Step 6: Final answer
    x = 5,533.27

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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.