Home / 7,159.58-10,742.56-2,777.38

Finding the Fourth Proportional to 7,159.58, 10,742.56 and 2,777.38

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Solution

The fourth proportional to 7,159.58, 10,742.56 and 2,777.38 is: 4,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.58 : 10,742.56 = 2,777.38 : x
  2. Step 2: Convert to fraction form
    7,159.58/10,742.56 = 2,777.38/x
  3. Step 3: Cross multiply
    7,159.58x = 10,742.56 × 2,777.38
  4. Step 4: Simplify right side
    7,159.58x = 29,836,137.49
  5. Step 5: Solve for x
    x = 29,836,137.49/7,159.58
  6. Step 6: Final answer
    x = 4,167.30

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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.