Home / 8,784.22-12,122.40-4,805.58

Finding the Fourth Proportional to 8,784.22, 12,122.40 and 4,805.58

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Solution

The fourth proportional to 8,784.22, 12,122.40 and 4,805.58 is: 6,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.22 : 12,122.40 = 4,805.58 : x
  2. Step 2: Convert to fraction form
    8,784.22/12,122.40 = 4,805.58/x
  3. Step 3: Cross multiply
    8,784.22x = 12,122.40 × 4,805.58
  4. Step 4: Simplify right side
    8,784.22x = 58,255,162.99
  5. Step 5: Solve for x
    x = 58,255,162.99/8,784.22
  6. Step 6: Final answer
    x = 6,631.80

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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.