Home / 7,330.32-10,995.93-2,947.78

Finding the Fourth Proportional to 7,330.32, 10,995.93 and 2,947.78

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Solution

The fourth proportional to 7,330.32, 10,995.93 and 2,947.78 is: 4,421.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.32 : 10,995.93 = 2,947.78 : x
  2. Step 2: Convert to fraction form
    7,330.32/10,995.93 = 2,947.78/x
  3. Step 3: Cross multiply
    7,330.32x = 10,995.93 × 2,947.78
  4. Step 4: Simplify right side
    7,330.32x = 32,413,582.54
  5. Step 5: Solve for x
    x = 32,413,582.54/7,330.32
  6. Step 6: Final answer
    x = 4,421.85

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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.