Home / 4,211.64-6,317.47-1,091.42

Finding the Fourth Proportional to 4,211.64, 6,317.47 and 1,091.42

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Solution

The fourth proportional to 4,211.64, 6,317.47 and 1,091.42 is: 1,637.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.64 : 6,317.47 = 1,091.42 : x
  2. Step 2: Convert to fraction form
    4,211.64/6,317.47 = 1,091.42/x
  3. Step 3: Cross multiply
    4,211.64x = 6,317.47 × 1,091.42
  4. Step 4: Simplify right side
    4,211.64x = 6,895,013.11
  5. Step 5: Solve for x
    x = 6,895,013.11/4,211.64
  6. Step 6: Final answer
    x = 1,637.13

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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.