Home / 7,730.92-11,596.38-1,887.46

Finding the Fourth Proportional to 7,730.92, 11,596.38 and 1,887.46

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Solution

The fourth proportional to 7,730.92, 11,596.38 and 1,887.46 is: 2,831.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.92 : 11,596.38 = 1,887.46 : x
  2. Step 2: Convert to fraction form
    7,730.92/11,596.38 = 1,887.46/x
  3. Step 3: Cross multiply
    7,730.92x = 11,596.38 × 1,887.46
  4. Step 4: Simplify right side
    7,730.92x = 21,887,703.39
  5. Step 5: Solve for x
    x = 21,887,703.39/7,730.92
  6. Step 6: Final answer
    x = 2,831.19

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Double scale
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Similar ratio
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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.