Home / 5,749.64-8,621.76-2,628.76

Finding the Fourth Proportional to 5,749.64, 8,621.76 and 2,628.76

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Solution

The fourth proportional to 5,749.64, 8,621.76 and 2,628.76 is: 3,941.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.64 : 8,621.76 = 2,628.76 : x
  2. Step 2: Convert to fraction form
    5,749.64/8,621.76 = 2,628.76/x
  3. Step 3: Cross multiply
    5,749.64x = 8,621.76 × 2,628.76
  4. Step 4: Simplify right side
    5,749.64x = 22,664,537.82
  5. Step 5: Solve for x
    x = 22,664,537.82/5,749.64
  6. Step 6: Final answer
    x = 3,941.91

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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.