Home / 4,283.04-6,388.56-3,889.32

Finding the Fourth Proportional to 4,283.04, 6,388.56 and 3,889.32

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Solution

The fourth proportional to 4,283.04, 6,388.56 and 3,889.32 is: 5,801.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.04 : 6,388.56 = 3,889.32 : x
  2. Step 2: Convert to fraction form
    4,283.04/6,388.56 = 3,889.32/x
  3. Step 3: Cross multiply
    4,283.04x = 6,388.56 × 3,889.32
  4. Step 4: Simplify right side
    4,283.04x = 24,847,154.18
  5. Step 5: Solve for x
    x = 24,847,154.18/4,283.04
  6. Step 6: Final answer
    x = 5,801.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.