Home / 9,128.34-12,597.10-4,936.58

Finding the Fourth Proportional to 9,128.34, 12,597.10 and 4,936.58

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Solution

The fourth proportional to 9,128.34, 12,597.10 and 4,936.58 is: 6,812.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.34 : 12,597.10 = 4,936.58 : x
  2. Step 2: Convert to fraction form
    9,128.34/12,597.10 = 4,936.58/x
  3. Step 3: Cross multiply
    9,128.34x = 12,597.10 × 4,936.58
  4. Step 4: Simplify right side
    9,128.34x = 62,186,591.92
  5. Step 5: Solve for x
    x = 62,186,591.92/9,128.34
  6. Step 6: Final answer
    x = 6,812.48

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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.