Home / 4,118.61-5,686.08-2,628.81

Finding the Fourth Proportional to 4,118.61, 5,686.08 and 2,628.81

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Solution

The fourth proportional to 4,118.61, 5,686.08 and 2,628.81 is: 3,629.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.61 : 5,686.08 = 2,628.81 : x
  2. Step 2: Convert to fraction form
    4,118.61/5,686.08 = 2,628.81/x
  3. Step 3: Cross multiply
    4,118.61x = 5,686.08 × 2,628.81
  4. Step 4: Simplify right side
    4,118.61x = 14,947,623.96
  5. Step 5: Solve for x
    x = 14,947,623.96/4,118.61
  6. Step 6: Final answer
    x = 3,629.29

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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.