Home / 4,642.08-6,403.80-3,381.18

Finding the Fourth Proportional to 4,642.08, 6,403.80 and 3,381.18

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Solution

The fourth proportional to 4,642.08, 6,403.80 and 3,381.18 is: 4,664.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.08 : 6,403.80 = 3,381.18 : x
  2. Step 2: Convert to fraction form
    4,642.08/6,403.80 = 3,381.18/x
  3. Step 3: Cross multiply
    4,642.08x = 6,403.80 × 3,381.18
  4. Step 4: Simplify right side
    4,642.08x = 21,652,400.48
  5. Step 5: Solve for x
    x = 21,652,400.48/4,642.08
  6. Step 6: Final answer
    x = 4,664.37

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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.