Home / 4,051.20-6,076.80-1,454.40

Finding the Fourth Proportional to 4,051.20, 6,076.80 and 1,454.40

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Solution

The fourth proportional to 4,051.20, 6,076.80 and 1,454.40 is: 2,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,051.20 : 6,076.80 = 1,454.40 : x
  2. Step 2: Convert to fraction form
    4,051.20/6,076.80 = 1,454.40/x
  3. Step 3: Cross multiply
    4,051.20x = 6,076.80 × 1,454.40
  4. Step 4: Simplify right side
    4,051.20x = 8,838,097.92
  5. Step 5: Solve for x
    x = 8,838,097.92/4,051.20
  6. Step 6: Final answer
    x = 2,181.60

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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.