Home / 7,528.86-11,293.68-3,141.90

Finding the Fourth Proportional to 7,528.86, 11,293.68 and 3,141.90

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Solution

The fourth proportional to 7,528.86, 11,293.68 and 3,141.90 is: 4,713.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.86 : 11,293.68 = 3,141.90 : x
  2. Step 2: Convert to fraction form
    7,528.86/11,293.68 = 3,141.90/x
  3. Step 3: Cross multiply
    7,528.86x = 11,293.68 × 3,141.90
  4. Step 4: Simplify right side
    7,528.86x = 35,483,613.19
  5. Step 5: Solve for x
    x = 35,483,613.19/7,528.86
  6. Step 6: Final answer
    x = 4,713.01

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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.