Home / 8,498.85-11,727.87-4,721.72

Finding the Fourth Proportional to 8,498.85, 11,727.87 and 4,721.72

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Solution

The fourth proportional to 8,498.85, 11,727.87 and 4,721.72 is: 6,515.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,498.85 : 11,727.87 = 4,721.72 : x
  2. Step 2: Convert to fraction form
    8,498.85/11,727.87 = 4,721.72/x
  3. Step 3: Cross multiply
    8,498.85x = 11,727.87 × 4,721.72
  4. Step 4: Simplify right side
    8,498.85x = 55,375,718.34
  5. Step 5: Solve for x
    x = 55,375,718.34/8,498.85
  6. Step 6: Final answer
    x = 6,515.67

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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.