Home / 7,290.62-10,935.39-4,362.38

Finding the Fourth Proportional to 7,290.62, 10,935.39 and 4,362.38

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Solution

The fourth proportional to 7,290.62, 10,935.39 and 4,362.38 is: 6,543.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.62 : 10,935.39 = 4,362.38 : x
  2. Step 2: Convert to fraction form
    7,290.62/10,935.39 = 4,362.38/x
  3. Step 3: Cross multiply
    7,290.62x = 10,935.39 × 4,362.38
  4. Step 4: Simplify right side
    7,290.62x = 47,704,326.63
  5. Step 5: Solve for x
    x = 47,704,326.63/7,290.62
  6. Step 6: Final answer
    x = 6,543.25

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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.