Home / 7,683.29-11,526.75-2,489.16

Finding the Fourth Proportional to 7,683.29, 11,526.75 and 2,489.16

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Solution

The fourth proportional to 7,683.29, 11,526.75 and 2,489.16 is: 3,734.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,683.29 : 11,526.75 = 2,489.16 : x
  2. Step 2: Convert to fraction form
    7,683.29/11,526.75 = 2,489.16/x
  3. Step 3: Cross multiply
    7,683.29x = 11,526.75 × 2,489.16
  4. Step 4: Simplify right side
    7,683.29x = 28,691,925.03
  5. Step 5: Solve for x
    x = 28,691,925.03/7,683.29
  6. Step 6: Final answer
    x = 3,734.33

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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.