Home / 4,890.24-6,739.20-3,490.56

Finding the Fourth Proportional to 4,890.24, 6,739.20 and 3,490.56

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Solution

The fourth proportional to 4,890.24, 6,739.20 and 3,490.56 is: 4,810.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.24 : 6,739.20 = 3,490.56 : x
  2. Step 2: Convert to fraction form
    4,890.24/6,739.20 = 3,490.56/x
  3. Step 3: Cross multiply
    4,890.24x = 6,739.20 × 3,490.56
  4. Step 4: Simplify right side
    4,890.24x = 23,523,581.95
  5. Step 5: Solve for x
    x = 23,523,581.95/4,890.24
  6. Step 6: Final answer
    x = 4,810.31

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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.