Home / 8,352.76-11,515.86-6,937.72

Finding the Fourth Proportional to 8,352.76, 11,515.86 and 6,937.72

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Solution

The fourth proportional to 8,352.76, 11,515.86 and 6,937.72 is: 9,564.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.76 : 11,515.86 = 6,937.72 : x
  2. Step 2: Convert to fraction form
    8,352.76/11,515.86 = 6,937.72/x
  3. Step 3: Cross multiply
    8,352.76x = 11,515.86 × 6,937.72
  4. Step 4: Simplify right side
    8,352.76x = 79,893,812.24
  5. Step 5: Solve for x
    x = 79,893,812.24/8,352.76
  6. Step 6: Final answer
    x = 9,564.96

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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.