Home / 7,219.09-9,966.93-5,895.95

Finding the Fourth Proportional to 7,219.09, 9,966.93 and 5,895.95

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Solution

The fourth proportional to 7,219.09, 9,966.93 and 5,895.95 is: 8,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.09 : 9,966.93 = 5,895.95 : x
  2. Step 2: Convert to fraction form
    7,219.09/9,966.93 = 5,895.95/x
  3. Step 3: Cross multiply
    7,219.09x = 9,966.93 × 5,895.95
  4. Step 4: Simplify right side
    7,219.09x = 58,764,520.93
  5. Step 5: Solve for x
    x = 58,764,520.93/7,219.09
  6. Step 6: Final answer
    x = 8,140.16

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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.