Home / 4,638.13-6,400.62-2,648.70

Finding the Fourth Proportional to 4,638.13, 6,400.62 and 2,648.70

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Solution

The fourth proportional to 4,638.13, 6,400.62 and 2,648.70 is: 3,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.13 : 6,400.62 = 2,648.70 : x
  2. Step 2: Convert to fraction form
    4,638.13/6,400.62 = 2,648.70/x
  3. Step 3: Cross multiply
    4,638.13x = 6,400.62 × 2,648.70
  4. Step 4: Simplify right side
    4,638.13x = 16,953,322.19
  5. Step 5: Solve for x
    x = 16,953,322.19/4,638.13
  6. Step 6: Final answer
    x = 3,655.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.