Home / 4,574.09-6,860.72-1,242.21

Finding the Fourth Proportional to 4,574.09, 6,860.72 and 1,242.21

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Solution

The fourth proportional to 4,574.09, 6,860.72 and 1,242.21 is: 1,863.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.09 : 6,860.72 = 1,242.21 : x
  2. Step 2: Convert to fraction form
    4,574.09/6,860.72 = 1,242.21/x
  3. Step 3: Cross multiply
    4,574.09x = 6,860.72 × 1,242.21
  4. Step 4: Simplify right side
    4,574.09x = 8,522,458.10
  5. Step 5: Solve for x
    x = 8,522,458.10/4,574.09
  6. Step 6: Final answer
    x = 1,863.21

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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.