Home / 4,178.76-6,274.46-3,320.04

Finding the Fourth Proportional to 4,178.76, 6,274.46 and 3,320.04

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Solution

The fourth proportional to 4,178.76, 6,274.46 and 3,320.04 is: 4,985.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.76 : 6,274.46 = 3,320.04 : x
  2. Step 2: Convert to fraction form
    4,178.76/6,274.46 = 3,320.04/x
  3. Step 3: Cross multiply
    4,178.76x = 6,274.46 × 3,320.04
  4. Step 4: Simplify right side
    4,178.76x = 20,831,458.18
  5. Step 5: Solve for x
    x = 20,831,458.18/4,178.76
  6. Step 6: Final answer
    x = 4,985.08

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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.