Home / 4,628.85-6,388.77-2,860.11

Finding the Fourth Proportional to 4,628.85, 6,388.77 and 2,860.11

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Solution

The fourth proportional to 4,628.85, 6,388.77 and 2,860.11 is: 3,947.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.85 : 6,388.77 = 2,860.11 : x
  2. Step 2: Convert to fraction form
    4,628.85/6,388.77 = 2,860.11/x
  3. Step 3: Cross multiply
    4,628.85x = 6,388.77 × 2,860.11
  4. Step 4: Simplify right side
    4,628.85x = 18,272,595.69
  5. Step 5: Solve for x
    x = 18,272,595.69/4,628.85
  6. Step 6: Final answer
    x = 3,947.55

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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.