Home / 6,787.56-10,184.34-4,321.74

Finding the Fourth Proportional to 6,787.56, 10,184.34 and 4,321.74

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Solution

The fourth proportional to 6,787.56, 10,184.34 and 4,321.74 is: 6,484.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.56 : 10,184.34 = 4,321.74 : x
  2. Step 2: Convert to fraction form
    6,787.56/10,184.34 = 4,321.74/x
  3. Step 3: Cross multiply
    6,787.56x = 10,184.34 × 4,321.74
  4. Step 4: Simplify right side
    6,787.56x = 44,014,069.55
  5. Step 5: Solve for x
    x = 44,014,069.55/6,787.56
  6. Step 6: Final answer
    x = 6,484.52

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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.