Home / 7,746.96-10,689-5,233.74

Finding the Fourth Proportional to 7,746.96, 10,689 and 5,233.74

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Solution

The fourth proportional to 7,746.96, 10,689 and 5,233.74 is: 7,221.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.96 : 10,689 = 5,233.74 : x
  2. Step 2: Convert to fraction form
    7,746.96/10,689 = 5,233.74/x
  3. Step 3: Cross multiply
    7,746.96x = 10,689 × 5,233.74
  4. Step 4: Simplify right side
    7,746.96x = 55,943,446.86
  5. Step 5: Solve for x
    x = 55,943,446.86/7,746.96
  6. Step 6: Final answer
    x = 7,221.34

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.