Home / 7,566.10-11,347.80-4,787.80

Finding the Fourth Proportional to 7,566.10, 11,347.80 and 4,787.80

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Solution

The fourth proportional to 7,566.10, 11,347.80 and 4,787.80 is: 7,180.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,566.10 : 11,347.80 = 4,787.80 : x
  2. Step 2: Convert to fraction form
    7,566.10/11,347.80 = 4,787.80/x
  3. Step 3: Cross multiply
    7,566.10x = 11,347.80 × 4,787.80
  4. Step 4: Simplify right side
    7,566.10x = 54,330,996.84
  5. Step 5: Solve for x
    x = 54,330,996.84/7,566.10
  6. Step 6: Final answer
    x = 7,180.85

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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.