Home / 6,285.39-9,428.12-2,125.43

Finding the Fourth Proportional to 6,285.39, 9,428.12 and 2,125.43

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Solution

The fourth proportional to 6,285.39, 9,428.12 and 2,125.43 is: 3,188.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.39 : 9,428.12 = 2,125.43 : x
  2. Step 2: Convert to fraction form
    6,285.39/9,428.12 = 2,125.43/x
  3. Step 3: Cross multiply
    6,285.39x = 9,428.12 × 2,125.43
  4. Step 4: Simplify right side
    6,285.39x = 20,038,751.32
  5. Step 5: Solve for x
    x = 20,038,751.32/6,285.39
  6. Step 6: Final answer
    x = 3,188.15

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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.