Home / 7,919.59-10,928.77-4,382.32

Finding the Fourth Proportional to 7,919.59, 10,928.77 and 4,382.32

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Solution

The fourth proportional to 7,919.59, 10,928.77 and 4,382.32 is: 6,047.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.59 : 10,928.77 = 4,382.32 : x
  2. Step 2: Convert to fraction form
    7,919.59/10,928.77 = 4,382.32/x
  3. Step 3: Cross multiply
    7,919.59x = 10,928.77 × 4,382.32
  4. Step 4: Simplify right side
    7,919.59x = 47,893,367.35
  5. Step 5: Solve for x
    x = 47,893,367.35/7,919.59
  6. Step 6: Final answer
    x = 6,047.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.