Home / 9,477.73-13,079.28-5,228.70

Finding the Fourth Proportional to 9,477.73, 13,079.28 and 5,228.70

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Solution

The fourth proportional to 9,477.73, 13,079.28 and 5,228.70 is: 7,215.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,477.73 : 13,079.28 = 5,228.70 : x
  2. Step 2: Convert to fraction form
    9,477.73/13,079.28 = 5,228.70/x
  3. Step 3: Cross multiply
    9,477.73x = 13,079.28 × 5,228.70
  4. Step 4: Simplify right side
    9,477.73x = 68,387,631.34
  5. Step 5: Solve for x
    x = 68,387,631.34/9,477.73
  6. Step 6: Final answer
    x = 7,215.61

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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.