Home / 7,959.32-10,983.97-4,815.51

Finding the Fourth Proportional to 7,959.32, 10,983.97 and 4,815.51

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Solution

The fourth proportional to 7,959.32, 10,983.97 and 4,815.51 is: 6,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.32 : 10,983.97 = 4,815.51 : x
  2. Step 2: Convert to fraction form
    7,959.32/10,983.97 = 4,815.51/x
  3. Step 3: Cross multiply
    7,959.32x = 10,983.97 × 4,815.51
  4. Step 4: Simplify right side
    7,959.32x = 52,893,417.37
  5. Step 5: Solve for x
    x = 52,893,417.37/7,959.32
  6. Step 6: Final answer
    x = 6,645.47

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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.