Home / 7,714.20-11,595.60-7,568.40

Finding the Fourth Proportional to 7,714.20, 11,595.60 and 7,568.40

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Solution

The fourth proportional to 7,714.20, 11,595.60 and 7,568.40 is: 11,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,714.20 : 11,595.60 = 7,568.40 : x
  2. Step 2: Convert to fraction form
    7,714.20/11,595.60 = 7,568.40/x
  3. Step 3: Cross multiply
    7,714.20x = 11,595.60 × 7,568.40
  4. Step 4: Simplify right side
    7,714.20x = 87,760,139.04
  5. Step 5: Solve for x
    x = 87,760,139.04/7,714.20
  6. Step 6: Final answer
    x = 11,376.44

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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.