Home / 6,900.32-10,350.86-1,969.58

Finding the Fourth Proportional to 6,900.32, 10,350.86 and 1,969.58

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Solution

The fourth proportional to 6,900.32, 10,350.86 and 1,969.58 is: 2,954.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.32 : 10,350.86 = 1,969.58 : x
  2. Step 2: Convert to fraction form
    6,900.32/10,350.86 = 1,969.58/x
  3. Step 3: Cross multiply
    6,900.32x = 10,350.86 × 1,969.58
  4. Step 4: Simplify right side
    6,900.32x = 20,386,785.24
  5. Step 5: Solve for x
    x = 20,386,785.24/6,900.32
  6. Step 6: Final answer
    x = 2,954.47

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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.