Home / 7,281.56-10,926.78-2,898.38

Finding the Fourth Proportional to 7,281.56, 10,926.78 and 2,898.38

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Solution

The fourth proportional to 7,281.56, 10,926.78 and 2,898.38 is: 4,349.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.56 : 10,926.78 = 2,898.38 : x
  2. Step 2: Convert to fraction form
    7,281.56/10,926.78 = 2,898.38/x
  3. Step 3: Cross multiply
    7,281.56x = 10,926.78 × 2,898.38
  4. Step 4: Simplify right side
    7,281.56x = 31,669,960.62
  5. Step 5: Solve for x
    x = 31,669,960.62/7,281.56
  6. Step 6: Final answer
    x = 4,349.34

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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.