Home / 7,747.60-11,621.30-1,904.16

Finding the Fourth Proportional to 7,747.60, 11,621.30 and 1,904.16

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Solution

The fourth proportional to 7,747.60, 11,621.30 and 1,904.16 is: 2,856.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.60 : 11,621.30 = 1,904.16 : x
  2. Step 2: Convert to fraction form
    7,747.60/11,621.30 = 1,904.16/x
  3. Step 3: Cross multiply
    7,747.60x = 11,621.30 × 1,904.16
  4. Step 4: Simplify right side
    7,747.60x = 22,128,746.98
  5. Step 5: Solve for x
    x = 22,128,746.98/7,747.60
  6. Step 6: Final answer
    x = 2,856.21

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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.