Home / 6,959.20-10,438.72-2,800.32

Finding the Fourth Proportional to 6,959.20, 10,438.72 and 2,800.32

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Solution

The fourth proportional to 6,959.20, 10,438.72 and 2,800.32 is: 4,200.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.20 : 10,438.72 = 2,800.32 : x
  2. Step 2: Convert to fraction form
    6,959.20/10,438.72 = 2,800.32/x
  3. Step 3: Cross multiply
    6,959.20x = 10,438.72 × 2,800.32
  4. Step 4: Simplify right side
    6,959.20x = 29,231,756.39
  5. Step 5: Solve for x
    x = 29,231,756.39/6,959.20
  6. Step 6: Final answer
    x = 4,200.45

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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.