Home / 7,338.60-10,126.80-4,194.72

Finding the Fourth Proportional to 7,338.60, 10,126.80 and 4,194.72

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Solution

The fourth proportional to 7,338.60, 10,126.80 and 4,194.72 is: 5,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.60 : 10,126.80 = 4,194.72 : x
  2. Step 2: Convert to fraction form
    7,338.60/10,126.80 = 4,194.72/x
  3. Step 3: Cross multiply
    7,338.60x = 10,126.80 × 4,194.72
  4. Step 4: Simplify right side
    7,338.60x = 42,479,090.50
  5. Step 5: Solve for x
    x = 42,479,090.50/7,338.60
  6. Step 6: Final answer
    x = 5,788.45

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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.