Home / 8,283.13-11,429.47-4,878.11

Finding the Fourth Proportional to 8,283.13, 11,429.47 and 4,878.11

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Solution

The fourth proportional to 8,283.13, 11,429.47 and 4,878.11 is: 6,731.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.13 : 11,429.47 = 4,878.11 : x
  2. Step 2: Convert to fraction form
    8,283.13/11,429.47 = 4,878.11/x
  3. Step 3: Cross multiply
    8,283.13x = 11,429.47 × 4,878.11
  4. Step 4: Simplify right side
    8,283.13x = 55,754,182.28
  5. Step 5: Solve for x
    x = 55,754,182.28/8,283.13
  6. Step 6: Final answer
    x = 6,731.05

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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.