Home / 4,240.02-6,356.36-1,644.78

Finding the Fourth Proportional to 4,240.02, 6,356.36 and 1,644.78

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Solution

The fourth proportional to 4,240.02, 6,356.36 and 1,644.78 is: 2,465.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.02 : 6,356.36 = 1,644.78 : x
  2. Step 2: Convert to fraction form
    4,240.02/6,356.36 = 1,644.78/x
  3. Step 3: Cross multiply
    4,240.02x = 6,356.36 × 1,644.78
  4. Step 4: Simplify right side
    4,240.02x = 10,454,813.80
  5. Step 5: Solve for x
    x = 10,454,813.80/4,240.02
  6. Step 6: Final answer
    x = 2,465.75

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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.