Home / 8,683.68-13,020.12-4,528.38

Finding the Fourth Proportional to 8,683.68, 13,020.12 and 4,528.38

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Solution

The fourth proportional to 8,683.68, 13,020.12 and 4,528.38 is: 6,789.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.68 : 13,020.12 = 4,528.38 : x
  2. Step 2: Convert to fraction form
    8,683.68/13,020.12 = 4,528.38/x
  3. Step 3: Cross multiply
    8,683.68x = 13,020.12 × 4,528.38
  4. Step 4: Simplify right side
    8,683.68x = 58,960,051.01
  5. Step 5: Solve for x
    x = 58,960,051.01/8,683.68
  6. Step 6: Final answer
    x = 6,789.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.