Home / 4,276.56-6,415.28-1,156.58

Finding the Fourth Proportional to 4,276.56, 6,415.28 and 1,156.58

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Solution

The fourth proportional to 4,276.56, 6,415.28 and 1,156.58 is: 1,734.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.56 : 6,415.28 = 1,156.58 : x
  2. Step 2: Convert to fraction form
    4,276.56/6,415.28 = 1,156.58/x
  3. Step 3: Cross multiply
    4,276.56x = 6,415.28 × 1,156.58
  4. Step 4: Simplify right side
    4,276.56x = 7,419,784.54
  5. Step 5: Solve for x
    x = 7,419,784.54/4,276.56
  6. Step 6: Final answer
    x = 1,734.99

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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.