Home / 8,511.28-11,746.02-4,974.28

Finding the Fourth Proportional to 8,511.28, 11,746.02 and 4,974.28

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Solution

The fourth proportional to 8,511.28, 11,746.02 and 4,974.28 is: 6,864.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.28 : 11,746.02 = 4,974.28 : x
  2. Step 2: Convert to fraction form
    8,511.28/11,746.02 = 4,974.28/x
  3. Step 3: Cross multiply
    8,511.28x = 11,746.02 × 4,974.28
  4. Step 4: Simplify right side
    8,511.28x = 58,427,992.37
  5. Step 5: Solve for x
    x = 58,427,992.37/8,511.28
  6. Step 6: Final answer
    x = 6,864.77

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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.