Home / 7,746.56-11,622.16-2,818.48

Finding the Fourth Proportional to 7,746.56, 11,622.16 and 2,818.48

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Solution

The fourth proportional to 7,746.56, 11,622.16 and 2,818.48 is: 4,228.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.56 : 11,622.16 = 2,818.48 : x
  2. Step 2: Convert to fraction form
    7,746.56/11,622.16 = 2,818.48/x
  3. Step 3: Cross multiply
    7,746.56x = 11,622.16 × 2,818.48
  4. Step 4: Simplify right side
    7,746.56x = 32,756,825.52
  5. Step 5: Solve for x
    x = 32,756,825.52/7,746.56
  6. Step 6: Final answer
    x = 4,228.56

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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.