Home / 4,381.80-6,047.86-2,788.14

Finding the Fourth Proportional to 4,381.80, 6,047.86 and 2,788.14

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Solution

The fourth proportional to 4,381.80, 6,047.86 and 2,788.14 is: 3,848.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.80 : 6,047.86 = 2,788.14 : x
  2. Step 2: Convert to fraction form
    4,381.80/6,047.86 = 2,788.14/x
  3. Step 3: Cross multiply
    4,381.80x = 6,047.86 × 2,788.14
  4. Step 4: Simplify right side
    4,381.80x = 16,862,280.38
  5. Step 5: Solve for x
    x = 16,862,280.38/4,381.80
  6. Step 6: Final answer
    x = 3,848.25

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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.