Home / 8,784.06-12,122.02-4,805.16

Finding the Fourth Proportional to 8,784.06, 12,122.02 and 4,805.16

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Solution

The fourth proportional to 8,784.06, 12,122.02 and 4,805.16 is: 6,631.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.06 : 12,122.02 = 4,805.16 : x
  2. Step 2: Convert to fraction form
    8,784.06/12,122.02 = 4,805.16/x
  3. Step 3: Cross multiply
    8,784.06x = 12,122.02 × 4,805.16
  4. Step 4: Simplify right side
    8,784.06x = 58,248,245.62
  5. Step 5: Solve for x
    x = 58,248,245.62/8,784.06
  6. Step 6: Final answer
    x = 6,631.13

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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.