Home / 6,511.95-8,986.38-3,527.76

Finding the Fourth Proportional to 6,511.95, 8,986.38 and 3,527.76

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Solution

The fourth proportional to 6,511.95, 8,986.38 and 3,527.76 is: 4,868.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.95 : 8,986.38 = 3,527.76 : x
  2. Step 2: Convert to fraction form
    6,511.95/8,986.38 = 3,527.76/x
  3. Step 3: Cross multiply
    6,511.95x = 8,986.38 × 3,527.76
  4. Step 4: Simplify right side
    6,511.95x = 31,701,791.91
  5. Step 5: Solve for x
    x = 31,701,791.91/6,511.95
  6. Step 6: Final answer
    x = 4,868.25

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1.5x scale

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.