Home / 8,830.46-13,245.34-2,987.07

Finding the Fourth Proportional to 8,830.46, 13,245.34 and 2,987.07

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Solution

The fourth proportional to 8,830.46, 13,245.34 and 2,987.07 is: 4,480.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.46 : 13,245.34 = 2,987.07 : x
  2. Step 2: Convert to fraction form
    8,830.46/13,245.34 = 2,987.07/x
  3. Step 3: Cross multiply
    8,830.46x = 13,245.34 × 2,987.07
  4. Step 4: Simplify right side
    8,830.46x = 39,564,706.22
  5. Step 5: Solve for x
    x = 39,564,706.22/8,830.46
  6. Step 6: Final answer
    x = 4,480.48

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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.