Home / 5,427.89-7,490.85-3,038.09

Finding the Fourth Proportional to 5,427.89, 7,490.85 and 3,038.09

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Solution

The fourth proportional to 5,427.89, 7,490.85 and 3,038.09 is: 4,192.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.89 : 7,490.85 = 3,038.09 : x
  2. Step 2: Convert to fraction form
    5,427.89/7,490.85 = 3,038.09/x
  3. Step 3: Cross multiply
    5,427.89x = 7,490.85 × 3,038.09
  4. Step 4: Simplify right side
    5,427.89x = 22,757,827.63
  5. Step 5: Solve for x
    x = 22,757,827.63/5,427.89
  6. Step 6: Final answer
    x = 4,192.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.