Home / 9,101.44-12,558.96-5,122.45

Finding the Fourth Proportional to 9,101.44, 12,558.96 and 5,122.45

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Solution

The fourth proportional to 9,101.44, 12,558.96 and 5,122.45 is: 7,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,101.44 : 12,558.96 = 5,122.45 : x
  2. Step 2: Convert to fraction form
    9,101.44/12,558.96 = 5,122.45/x
  3. Step 3: Cross multiply
    9,101.44x = 12,558.96 × 5,122.45
  4. Step 4: Simplify right side
    9,101.44x = 64,332,644.65
  5. Step 5: Solve for x
    x = 64,332,644.65/9,101.44
  6. Step 6: Final answer
    x = 7,068.40

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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.