Home / 4,290-5,916.15-2,799.06

Finding the Fourth Proportional to 4,290, 5,916.15 and 2,799.06

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Solution

The fourth proportional to 4,290, 5,916.15 and 2,799.06 is: 3,860.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290 : 5,916.15 = 2,799.06 : x
  2. Step 2: Convert to fraction form
    4,290/5,916.15 = 2,799.06/x
  3. Step 3: Cross multiply
    4,290x = 5,916.15 × 2,799.06
  4. Step 4: Simplify right side
    4,290x = 16,559,658.82
  5. Step 5: Solve for x
    x = 16,559,658.82/4,290
  6. Step 6: Final answer
    x = 3,860.06

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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.