Home / 4,283.32-6,419.66-2,428.80

Finding the Fourth Proportional to 4,283.32, 6,419.66 and 2,428.80

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Solution

The fourth proportional to 4,283.32, 6,419.66 and 2,428.80 is: 3,640.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.32 : 6,419.66 = 2,428.80 : x
  2. Step 2: Convert to fraction form
    4,283.32/6,419.66 = 2,428.80/x
  3. Step 3: Cross multiply
    4,283.32x = 6,419.66 × 2,428.80
  4. Step 4: Simplify right side
    4,283.32x = 15,592,070.21
  5. Step 5: Solve for x
    x = 15,592,070.21/4,283.32
  6. Step 6: Final answer
    x = 3,640.18

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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.