Home / 7,513.86-11,271.90-2,318.52

Finding the Fourth Proportional to 7,513.86, 11,271.90 and 2,318.52

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Solution

The fourth proportional to 7,513.86, 11,271.90 and 2,318.52 is: 3,478.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.86 : 11,271.90 = 2,318.52 : x
  2. Step 2: Convert to fraction form
    7,513.86/11,271.90 = 2,318.52/x
  3. Step 3: Cross multiply
    7,513.86x = 11,271.90 × 2,318.52
  4. Step 4: Simplify right side
    7,513.86x = 26,134,125.59
  5. Step 5: Solve for x
    x = 26,134,125.59/7,513.86
  6. Step 6: Final answer
    x = 3,478.12

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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.