Home / 7,135.93-10,703.96-3,187.38

Finding the Fourth Proportional to 7,135.93, 10,703.96 and 3,187.38

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Solution

The fourth proportional to 7,135.93, 10,703.96 and 3,187.38 is: 4,781.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.93 : 10,703.96 = 3,187.38 : x
  2. Step 2: Convert to fraction form
    7,135.93/10,703.96 = 3,187.38/x
  3. Step 3: Cross multiply
    7,135.93x = 10,703.96 × 3,187.38
  4. Step 4: Simplify right side
    7,135.93x = 34,117,642.11
  5. Step 5: Solve for x
    x = 34,117,642.11/7,135.93
  6. Step 6: Final answer
    x = 4,781.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.