Home / 9,128.14-12,596.81-4,936.39

Finding the Fourth Proportional to 9,128.14, 12,596.81 and 4,936.39

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Solution

The fourth proportional to 9,128.14, 12,596.81 and 4,936.39 is: 6,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.14 : 12,596.81 = 4,936.39 : x
  2. Step 2: Convert to fraction form
    9,128.14/12,596.81 = 4,936.39/x
  3. Step 3: Cross multiply
    9,128.14x = 12,596.81 × 4,936.39
  4. Step 4: Simplify right side
    9,128.14x = 62,182,710.74
  5. Step 5: Solve for x
    x = 62,182,710.74/9,128.14
  6. Step 6: Final answer
    x = 6,812.20

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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.