Home / 5,072.63-7,572.21-4,383.72

Finding the Fourth Proportional to 5,072.63, 7,572.21 and 4,383.72

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Solution

The fourth proportional to 5,072.63, 7,572.21 and 4,383.72 is: 6,543.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.63 : 7,572.21 = 4,383.72 : x
  2. Step 2: Convert to fraction form
    5,072.63/7,572.21 = 4,383.72/x
  3. Step 3: Cross multiply
    5,072.63x = 7,572.21 × 4,383.72
  4. Step 4: Simplify right side
    5,072.63x = 33,194,448.42
  5. Step 5: Solve for x
    x = 33,194,448.42/5,072.63
  6. Step 6: Final answer
    x = 6,543.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.