Home / 5,427.27-8,143.64-2,507.63

Finding the Fourth Proportional to 5,427.27, 8,143.64 and 2,507.63

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Solution

The fourth proportional to 5,427.27, 8,143.64 and 2,507.63 is: 3,762.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.27 : 8,143.64 = 2,507.63 : x
  2. Step 2: Convert to fraction form
    5,427.27/8,143.64 = 2,507.63/x
  3. Step 3: Cross multiply
    5,427.27x = 8,143.64 × 2,507.63
  4. Step 4: Simplify right side
    5,427.27x = 20,421,192.12
  5. Step 5: Solve for x
    x = 20,421,192.12/5,427.27
  6. Step 6: Final answer
    x = 3,762.70

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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.