Home / 8,898.42-12,270.69-5,360.97

Finding the Fourth Proportional to 8,898.42, 12,270.69 and 5,360.97

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Solution

The fourth proportional to 8,898.42, 12,270.69 and 5,360.97 is: 7,392.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.42 : 12,270.69 = 5,360.97 : x
  2. Step 2: Convert to fraction form
    8,898.42/12,270.69 = 5,360.97/x
  3. Step 3: Cross multiply
    8,898.42x = 12,270.69 × 5,360.97
  4. Step 4: Simplify right side
    8,898.42x = 65,782,800.97
  5. Step 5: Solve for x
    x = 65,782,800.97/8,898.42
  6. Step 6: Final answer
    x = 7,392.64

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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.