Home / 7,573.10-11,366.40-4,449.20

Finding the Fourth Proportional to 7,573.10, 11,366.40 and 4,449.20

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Solution

The fourth proportional to 7,573.10, 11,366.40 and 4,449.20 is: 6,677.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,573.10 : 11,366.40 = 4,449.20 : x
  2. Step 2: Convert to fraction form
    7,573.10/11,366.40 = 4,449.20/x
  3. Step 3: Cross multiply
    7,573.10x = 11,366.40 × 4,449.20
  4. Step 4: Simplify right side
    7,573.10x = 50,571,386.88
  5. Step 5: Solve for x
    x = 50,571,386.88/7,573.10
  6. Step 6: Final answer
    x = 6,677.77

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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.