Home / 4,393.23-6,589.85-2,921.87

Finding the Fourth Proportional to 4,393.23, 6,589.85 and 2,921.87

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Solution

The fourth proportional to 4,393.23, 6,589.85 and 2,921.87 is: 4,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,393.23 : 6,589.85 = 2,921.87 : x
  2. Step 2: Convert to fraction form
    4,393.23/6,589.85 = 2,921.87/x
  3. Step 3: Cross multiply
    4,393.23x = 6,589.85 × 2,921.87
  4. Step 4: Simplify right side
    4,393.23x = 19,254,637.46
  5. Step 5: Solve for x
    x = 19,254,637.46/4,393.23
  6. Step 6: Final answer
    x = 4,382.80

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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.