Home / 8,051.17-11,111.30-4,909.18

Finding the Fourth Proportional to 8,051.17, 11,111.30 and 4,909.18

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Solution

The fourth proportional to 8,051.17, 11,111.30 and 4,909.18 is: 6,775.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.17 : 11,111.30 = 4,909.18 : x
  2. Step 2: Convert to fraction form
    8,051.17/11,111.30 = 4,909.18/x
  3. Step 3: Cross multiply
    8,051.17x = 11,111.30 × 4,909.18
  4. Step 4: Simplify right side
    8,051.17x = 54,547,371.73
  5. Step 5: Solve for x
    x = 54,547,371.73/8,051.17
  6. Step 6: Final answer
    x = 6,775.09

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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.