Home / 5,490.08-8,235.98-1,791.45

Finding the Fourth Proportional to 5,490.08, 8,235.98 and 1,791.45

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Solution

The fourth proportional to 5,490.08, 8,235.98 and 1,791.45 is: 2,687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.08 : 8,235.98 = 1,791.45 : x
  2. Step 2: Convert to fraction form
    5,490.08/8,235.98 = 1,791.45/x
  3. Step 3: Cross multiply
    5,490.08x = 8,235.98 × 1,791.45
  4. Step 4: Simplify right side
    5,490.08x = 14,754,346.37
  5. Step 5: Solve for x
    x = 14,754,346.37/5,490.08
  6. Step 6: Final answer
    x = 2,687.46

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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.