Home / 7,752.15-11,621.38-2,820.93

Finding the Fourth Proportional to 7,752.15, 11,621.38 and 2,820.93

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Solution

The fourth proportional to 7,752.15, 11,621.38 and 2,820.93 is: 4,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.15 : 11,621.38 = 2,820.93 : x
  2. Step 2: Convert to fraction form
    7,752.15/11,621.38 = 2,820.93/x
  3. Step 3: Cross multiply
    7,752.15x = 11,621.38 × 2,820.93
  4. Step 4: Simplify right side
    7,752.15x = 32,783,099.48
  5. Step 5: Solve for x
    x = 32,783,099.48/7,752.15
  6. Step 6: Final answer
    x = 4,228.90

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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.