Home / 7,278.47-10,917.44-2,597.38

Finding the Fourth Proportional to 7,278.47, 10,917.44 and 2,597.38

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Solution

The fourth proportional to 7,278.47, 10,917.44 and 2,597.38 is: 3,895.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.47 : 10,917.44 = 2,597.38 : x
  2. Step 2: Convert to fraction form
    7,278.47/10,917.44 = 2,597.38/x
  3. Step 3: Cross multiply
    7,278.47x = 10,917.44 × 2,597.38
  4. Step 4: Simplify right side
    7,278.47x = 28,356,740.31
  5. Step 5: Solve for x
    x = 28,356,740.31/7,278.47
  6. Step 6: Final answer
    x = 3,895.98

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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.