Home / 7,180.77-9,909.30-4,386.27

Finding the Fourth Proportional to 7,180.77, 9,909.30 and 4,386.27

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Solution

The fourth proportional to 7,180.77, 9,909.30 and 4,386.27 is: 6,052.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.77 : 9,909.30 = 4,386.27 : x
  2. Step 2: Convert to fraction form
    7,180.77/9,909.30 = 4,386.27/x
  3. Step 3: Cross multiply
    7,180.77x = 9,909.30 × 4,386.27
  4. Step 4: Simplify right side
    7,180.77x = 43,464,865.31
  5. Step 5: Solve for x
    x = 43,464,865.31/7,180.77
  6. Step 6: Final answer
    x = 6,052.95

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