Home / 7,284.40-10,926.60-5,340.40

Finding the Fourth Proportional to 7,284.40, 10,926.60 and 5,340.40

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Solution

The fourth proportional to 7,284.40, 10,926.60 and 5,340.40 is: 8,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284.40 : 10,926.60 = 5,340.40 : x
  2. Step 2: Convert to fraction form
    7,284.40/10,926.60 = 5,340.40/x
  3. Step 3: Cross multiply
    7,284.40x = 10,926.60 × 5,340.40
  4. Step 4: Simplify right side
    7,284.40x = 58,352,414.64
  5. Step 5: Solve for x
    x = 58,352,414.64/7,284.40
  6. Step 6: Final answer
    x = 8,010.60

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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.