Home / 6,889.28-10,323.84-4,284.32

Finding the Fourth Proportional to 6,889.28, 10,323.84 and 4,284.32

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Solution

The fourth proportional to 6,889.28, 10,323.84 and 4,284.32 is: 6,420.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.28 : 10,323.84 = 4,284.32 : x
  2. Step 2: Convert to fraction form
    6,889.28/10,323.84 = 4,284.32/x
  3. Step 3: Cross multiply
    6,889.28x = 10,323.84 × 4,284.32
  4. Step 4: Simplify right side
    6,889.28x = 44,230,634.19
  5. Step 5: Solve for x
    x = 44,230,634.19/6,889.28
  6. Step 6: Final answer
    x = 6,420.21

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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.