Home / 4,368.19-6,552.16-1,081.21

Finding the Fourth Proportional to 4,368.19, 6,552.16 and 1,081.21

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Solution

The fourth proportional to 4,368.19, 6,552.16 and 1,081.21 is: 1,621.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,368.19 : 6,552.16 = 1,081.21 : x
  2. Step 2: Convert to fraction form
    4,368.19/6,552.16 = 1,081.21/x
  3. Step 3: Cross multiply
    4,368.19x = 6,552.16 × 1,081.21
  4. Step 4: Simplify right side
    4,368.19x = 7,084,260.91
  5. Step 5: Solve for x
    x = 7,084,260.91/4,368.19
  6. Step 6: Final answer
    x = 1,621.78

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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.