Home / 8,890.53-13,336.02-4,212.73

Finding the Fourth Proportional to 8,890.53, 13,336.02 and 4,212.73

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Solution

The fourth proportional to 8,890.53, 13,336.02 and 4,212.73 is: 6,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.53 : 13,336.02 = 4,212.73 : x
  2. Step 2: Convert to fraction form
    8,890.53/13,336.02 = 4,212.73/x
  3. Step 3: Cross multiply
    8,890.53x = 13,336.02 × 4,212.73
  4. Step 4: Simplify right side
    8,890.53x = 56,181,051.53
  5. Step 5: Solve for x
    x = 56,181,051.53/8,890.53
  6. Step 6: Final answer
    x = 6,319.20

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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.