Home / 9,127.96-12,596.70-5,148.70

Finding the Fourth Proportional to 9,127.96, 12,596.70 and 5,148.70

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Solution

The fourth proportional to 9,127.96, 12,596.70 and 5,148.70 is: 7,105.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.96 : 12,596.70 = 5,148.70 : x
  2. Step 2: Convert to fraction form
    9,127.96/12,596.70 = 5,148.70/x
  3. Step 3: Cross multiply
    9,127.96x = 12,596.70 × 5,148.70
  4. Step 4: Simplify right side
    9,127.96x = 64,856,629.29
  5. Step 5: Solve for x
    x = 64,856,629.29/9,127.96
  6. Step 6: Final answer
    x = 7,105.27

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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.