Home / 8,863.90-13,291.05-3,670.30

Finding the Fourth Proportional to 8,863.90, 13,291.05 and 3,670.30

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Solution

The fourth proportional to 8,863.90, 13,291.05 and 3,670.30 is: 5,503.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.90 : 13,291.05 = 3,670.30 : x
  2. Step 2: Convert to fraction form
    8,863.90/13,291.05 = 3,670.30/x
  3. Step 3: Cross multiply
    8,863.90x = 13,291.05 × 3,670.30
  4. Step 4: Simplify right side
    8,863.90x = 48,782,140.82
  5. Step 5: Solve for x
    x = 48,782,140.82/8,863.90
  6. Step 6: Final answer
    x = 5,503.46

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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.