Home / 9,181.91-12,670.98-5,203.77

Finding the Fourth Proportional to 9,181.91, 12,670.98 and 5,203.77

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Solution

The fourth proportional to 9,181.91, 12,670.98 and 5,203.77 is: 7,181.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.91 : 12,670.98 = 5,203.77 : x
  2. Step 2: Convert to fraction form
    9,181.91/12,670.98 = 5,203.77/x
  3. Step 3: Cross multiply
    9,181.91x = 12,670.98 × 5,203.77
  4. Step 4: Simplify right side
    9,181.91x = 65,936,865.59
  5. Step 5: Solve for x
    x = 65,936,865.59/9,181.91
  6. Step 6: Final answer
    x = 7,181.17

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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.