Home / 4,320.93-6,477.66-1,722.18

Finding the Fourth Proportional to 4,320.93, 6,477.66 and 1,722.18

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Solution

The fourth proportional to 4,320.93, 6,477.66 and 1,722.18 is: 2,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.93 : 6,477.66 = 1,722.18 : x
  2. Step 2: Convert to fraction form
    4,320.93/6,477.66 = 1,722.18/x
  3. Step 3: Cross multiply
    4,320.93x = 6,477.66 × 1,722.18
  4. Step 4: Simplify right side
    4,320.93x = 11,155,696.50
  5. Step 5: Solve for x
    x = 11,155,696.50/4,320.93
  6. Step 6: Final answer
    x = 2,581.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.