Home / 10,285.03-15,425.14-2,890.20

Finding the Fourth Proportional to 10,285.03, 15,425.14 and 2,890.20

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Solution

The fourth proportional to 10,285.03, 15,425.14 and 2,890.20 is: 4,334.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.03 : 15,425.14 = 2,890.20 : x
  2. Step 2: Convert to fraction form
    10,285.03/15,425.14 = 2,890.20/x
  3. Step 3: Cross multiply
    10,285.03x = 15,425.14 × 2,890.20
  4. Step 4: Simplify right side
    10,285.03x = 44,581,739.63
  5. Step 5: Solve for x
    x = 44,581,739.63/10,285.03
  6. Step 6: Final answer
    x = 4,334.62

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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.