Home / 4,298.78-6,436.62-2,730.30

Finding the Fourth Proportional to 4,298.78, 6,436.62 and 2,730.30

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Solution

The fourth proportional to 4,298.78, 6,436.62 and 2,730.30 is: 4,088.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,298.78 : 6,436.62 = 2,730.30 : x
  2. Step 2: Convert to fraction form
    4,298.78/6,436.62 = 2,730.30/x
  3. Step 3: Cross multiply
    4,298.78x = 6,436.62 × 2,730.30
  4. Step 4: Simplify right side
    4,298.78x = 17,573,903.59
  5. Step 5: Solve for x
    x = 17,573,903.59/4,298.78
  6. Step 6: Final answer
    x = 4,088.11

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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.