Home / 8,530.48-12,787.50-4,372.44

Finding the Fourth Proportional to 8,530.48, 12,787.50 and 4,372.44

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Solution

The fourth proportional to 8,530.48, 12,787.50 and 4,372.44 is: 6,554.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.48 : 12,787.50 = 4,372.44 : x
  2. Step 2: Convert to fraction form
    8,530.48/12,787.50 = 4,372.44/x
  3. Step 3: Cross multiply
    8,530.48x = 12,787.50 × 4,372.44
  4. Step 4: Simplify right side
    8,530.48x = 55,912,576.50
  5. Step 5: Solve for x
    x = 55,912,576.50/8,530.48
  6. Step 6: Final answer
    x = 6,554.45

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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.