Home / 7,385.58-10,189.60-4,513.25

Finding the Fourth Proportional to 7,385.58, 10,189.60 and 4,513.25

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Solution

The fourth proportional to 7,385.58, 10,189.60 and 4,513.25 is: 6,226.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.58 : 10,189.60 = 4,513.25 : x
  2. Step 2: Convert to fraction form
    7,385.58/10,189.60 = 4,513.25/x
  3. Step 3: Cross multiply
    7,385.58x = 10,189.60 × 4,513.25
  4. Step 4: Simplify right side
    7,385.58x = 45,988,226.39
  5. Step 5: Solve for x
    x = 45,988,226.39/7,385.58
  6. Step 6: Final answer
    x = 6,226.76

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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.