Home / 10,285.62-15,427.26-2,890.68

Finding the Fourth Proportional to 10,285.62, 15,427.26 and 2,890.68

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Solution

The fourth proportional to 10,285.62, 15,427.26 and 2,890.68 is: 4,335.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.62 : 15,427.26 = 2,890.68 : x
  2. Step 2: Convert to fraction form
    10,285.62/15,427.26 = 2,890.68/x
  3. Step 3: Cross multiply
    10,285.62x = 15,427.26 × 2,890.68
  4. Step 4: Simplify right side
    10,285.62x = 44,595,271.94
  5. Step 5: Solve for x
    x = 44,595,271.94/10,285.62
  6. Step 6: Final answer
    x = 4,335.69

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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.