Home / 7,154.58-10,728.54-2,713.08

Finding the Fourth Proportional to 7,154.58, 10,728.54 and 2,713.08

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Solution

The fourth proportional to 7,154.58, 10,728.54 and 2,713.08 is: 4,068.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.58 : 10,728.54 = 2,713.08 : x
  2. Step 2: Convert to fraction form
    7,154.58/10,728.54 = 2,713.08/x
  3. Step 3: Cross multiply
    7,154.58x = 10,728.54 × 2,713.08
  4. Step 4: Simplify right side
    7,154.58x = 29,107,387.30
  5. Step 5: Solve for x
    x = 29,107,387.30/7,154.58
  6. Step 6: Final answer
    x = 4,068.36

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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.