Home / 6,513.11-8,988.06-3,528.95

Finding the Fourth Proportional to 6,513.11, 8,988.06 and 3,528.95

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Solution

The fourth proportional to 6,513.11, 8,988.06 and 3,528.95 is: 4,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.11 : 8,988.06 = 3,528.95 : x
  2. Step 2: Convert to fraction form
    6,513.11/8,988.06 = 3,528.95/x
  3. Step 3: Cross multiply
    6,513.11x = 8,988.06 × 3,528.95
  4. Step 4: Simplify right side
    6,513.11x = 31,718,433.19
  5. Step 5: Solve for x
    x = 31,718,433.19/6,513.11
  6. Step 6: Final answer
    x = 4,869.94

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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.