Home / 5,437.09-8,153.90-2,803.78

Finding the Fourth Proportional to 5,437.09, 8,153.90 and 2,803.78

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Solution

The fourth proportional to 5,437.09, 8,153.90 and 2,803.78 is: 4,204.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.09 : 8,153.90 = 2,803.78 : x
  2. Step 2: Convert to fraction form
    5,437.09/8,153.90 = 2,803.78/x
  3. Step 3: Cross multiply
    5,437.09x = 8,153.90 × 2,803.78
  4. Step 4: Simplify right side
    5,437.09x = 22,861,748.43
  5. Step 5: Solve for x
    x = 22,861,748.43/5,437.09
  6. Step 6: Final answer
    x = 4,204.78

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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.