Home / 4,287.49-6,442.01-2,728.18

Finding the Fourth Proportional to 4,287.49, 6,442.01 and 2,728.18

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Solution

The fourth proportional to 4,287.49, 6,442.01 and 2,728.18 is: 4,099.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.49 : 6,442.01 = 2,728.18 : x
  2. Step 2: Convert to fraction form
    4,287.49/6,442.01 = 2,728.18/x
  3. Step 3: Cross multiply
    4,287.49x = 6,442.01 × 2,728.18
  4. Step 4: Simplify right side
    4,287.49x = 17,574,916.99
  5. Step 5: Solve for x
    x = 17,574,916.99/4,287.49
  6. Step 6: Final answer
    x = 4,099.11

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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.