Home / 6,260.76-8,639.86-3,428.16

Finding the Fourth Proportional to 6,260.76, 8,639.86 and 3,428.16

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Solution

The fourth proportional to 6,260.76, 8,639.86 and 3,428.16 is: 4,730.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,260.76 : 8,639.86 = 3,428.16 : x
  2. Step 2: Convert to fraction form
    6,260.76/8,639.86 = 3,428.16/x
  3. Step 3: Cross multiply
    6,260.76x = 8,639.86 × 3,428.16
  4. Step 4: Simplify right side
    6,260.76x = 29,618,822.46
  5. Step 5: Solve for x
    x = 29,618,822.46/6,260.76
  6. Step 6: Final answer
    x = 4,730.87

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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.