Home / 9,338.14-12,886.05-5,146.39

Finding the Fourth Proportional to 9,338.14, 12,886.05 and 5,146.39

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Solution

The fourth proportional to 9,338.14, 12,886.05 and 5,146.39 is: 7,101.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338.14 : 12,886.05 = 5,146.39 : x
  2. Step 2: Convert to fraction form
    9,338.14/12,886.05 = 5,146.39/x
  3. Step 3: Cross multiply
    9,338.14x = 12,886.05 × 5,146.39
  4. Step 4: Simplify right side
    9,338.14x = 66,316,638.86
  5. Step 5: Solve for x
    x = 66,316,638.86/9,338.14
  6. Step 6: Final answer
    x = 7,101.70

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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.