Home / 7,135.80-9,849.51-4,152.96

Finding the Fourth Proportional to 7,135.80, 9,849.51 and 4,152.96

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Solution

The fourth proportional to 7,135.80, 9,849.51 and 4,152.96 is: 5,732.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.80 : 9,849.51 = 4,152.96 : x
  2. Step 2: Convert to fraction form
    7,135.80/9,849.51 = 4,152.96/x
  3. Step 3: Cross multiply
    7,135.80x = 9,849.51 × 4,152.96
  4. Step 4: Simplify right side
    7,135.80x = 40,904,621.05
  5. Step 5: Solve for x
    x = 40,904,621.05/7,135.80
  6. Step 6: Final answer
    x = 5,732.31

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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.