Home / 8,784.29-12,122.32-4,805.41

Finding the Fourth Proportional to 8,784.29, 12,122.32 and 4,805.41

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Solution

The fourth proportional to 8,784.29, 12,122.32 and 4,805.41 is: 6,631.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.29 : 12,122.32 = 4,805.41 : x
  2. Step 2: Convert to fraction form
    8,784.29/12,122.32 = 4,805.41/x
  3. Step 3: Cross multiply
    8,784.29x = 12,122.32 × 4,805.41
  4. Step 4: Simplify right side
    8,784.29x = 58,252,670.72
  5. Step 5: Solve for x
    x = 58,252,670.72/8,784.29
  6. Step 6: Final answer
    x = 6,631.46

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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.