Home / 4,381.01-6,045.80-2,809.10

Finding the Fourth Proportional to 4,381.01, 6,045.80 and 2,809.10

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Solution

The fourth proportional to 4,381.01, 6,045.80 and 2,809.10 is: 3,876.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.01 : 6,045.80 = 2,809.10 : x
  2. Step 2: Convert to fraction form
    4,381.01/6,045.80 = 2,809.10/x
  3. Step 3: Cross multiply
    4,381.01x = 6,045.80 × 2,809.10
  4. Step 4: Simplify right side
    4,381.01x = 16,983,212.51
  5. Step 5: Solve for x
    x = 16,983,212.51/4,381.01
  6. Step 6: Final answer
    x = 3,876.56

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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.