Home / 7,178.46-10,770.63-2,798.94

Finding the Fourth Proportional to 7,178.46, 10,770.63 and 2,798.94

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Solution

The fourth proportional to 7,178.46, 10,770.63 and 2,798.94 is: 4,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.46 : 10,770.63 = 2,798.94 : x
  2. Step 2: Convert to fraction form
    7,178.46/10,770.63 = 2,798.94/x
  3. Step 3: Cross multiply
    7,178.46x = 10,770.63 × 2,798.94
  4. Step 4: Simplify right side
    7,178.46x = 30,146,347.13
  5. Step 5: Solve for x
    x = 30,146,347.13/7,178.46
  6. Step 6: Final answer
    x = 4,199.56

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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.