Home / 6,285.42-9,428.15-2,125.46

Finding the Fourth Proportional to 6,285.42, 9,428.15 and 2,125.46

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Solution

The fourth proportional to 6,285.42, 9,428.15 and 2,125.46 is: 3,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.42 : 9,428.15 = 2,125.46 : x
  2. Step 2: Convert to fraction form
    6,285.42/9,428.15 = 2,125.46/x
  3. Step 3: Cross multiply
    6,285.42x = 9,428.15 × 2,125.46
  4. Step 4: Simplify right side
    6,285.42x = 20,039,184.58
  5. Step 5: Solve for x
    x = 20,039,184.58/6,285.42
  6. Step 6: Final answer
    x = 3,188.20

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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.