Home / 6,277.92-8,663.36-3,483.20

Finding the Fourth Proportional to 6,277.92, 8,663.36 and 3,483.20

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Solution

The fourth proportional to 6,277.92, 8,663.36 and 3,483.20 is: 4,806.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,277.92 : 8,663.36 = 3,483.20 : x
  2. Step 2: Convert to fraction form
    6,277.92/8,663.36 = 3,483.20/x
  3. Step 3: Cross multiply
    6,277.92x = 8,663.36 × 3,483.20
  4. Step 4: Simplify right side
    6,277.92x = 30,176,215.55
  5. Step 5: Solve for x
    x = 30,176,215.55/6,277.92
  6. Step 6: Final answer
    x = 4,806.72

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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.