Home / 4,285.60-6,427.36-1,974.88

Finding the Fourth Proportional to 4,285.60, 6,427.36 and 1,974.88

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Solution

The fourth proportional to 4,285.60, 6,427.36 and 1,974.88 is: 2,961.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.60 : 6,427.36 = 1,974.88 : x
  2. Step 2: Convert to fraction form
    4,285.60/6,427.36 = 1,974.88/x
  3. Step 3: Cross multiply
    4,285.60x = 6,427.36 × 1,974.88
  4. Step 4: Simplify right side
    4,285.60x = 12,693,264.72
  5. Step 5: Solve for x
    x = 12,693,264.72/4,285.60
  6. Step 6: Final answer
    x = 2,961.84

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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.