Home / 4,285.49-6,428.39-1,474.30

Finding the Fourth Proportional to 4,285.49, 6,428.39 and 1,474.30

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Solution

The fourth proportional to 4,285.49, 6,428.39 and 1,474.30 is: 2,211.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.49 : 6,428.39 = 1,474.30 : x
  2. Step 2: Convert to fraction form
    4,285.49/6,428.39 = 1,474.30/x
  3. Step 3: Cross multiply
    4,285.49x = 6,428.39 × 1,474.30
  4. Step 4: Simplify right side
    4,285.49x = 9,477,394.12
  5. Step 5: Solve for x
    x = 9,477,394.12/4,285.49
  6. Step 6: Final answer
    x = 2,211.51

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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.