Home / 6,513.14-8,988.07-3,528.80

Finding the Fourth Proportional to 6,513.14, 8,988.07 and 3,528.80

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Solution

The fourth proportional to 6,513.14, 8,988.07 and 3,528.80 is: 4,869.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.14 : 8,988.07 = 3,528.80 : x
  2. Step 2: Convert to fraction form
    6,513.14/8,988.07 = 3,528.80/x
  3. Step 3: Cross multiply
    6,513.14x = 8,988.07 × 3,528.80
  4. Step 4: Simplify right side
    6,513.14x = 31,717,101.42
  5. Step 5: Solve for x
    x = 31,717,101.42/6,513.14
  6. Step 6: Final answer
    x = 4,869.71

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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.