Home / 7,387.15-11,087.39-5,009.47

Finding the Fourth Proportional to 7,387.15, 11,087.39 and 5,009.47

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Solution

The fourth proportional to 7,387.15, 11,087.39 and 5,009.47 is: 7,518.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.15 : 11,087.39 = 5,009.47 : x
  2. Step 2: Convert to fraction form
    7,387.15/11,087.39 = 5,009.47/x
  3. Step 3: Cross multiply
    7,387.15x = 11,087.39 × 5,009.47
  4. Step 4: Simplify right side
    7,387.15x = 55,541,947.58
  5. Step 5: Solve for x
    x = 55,541,947.58/7,387.15
  6. Step 6: Final answer
    x = 7,518.72

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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.