Home / 5,431.35-7,499.10-4,237.64

Finding the Fourth Proportional to 5,431.35, 7,499.10 and 4,237.64

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Solution

The fourth proportional to 5,431.35, 7,499.10 and 4,237.64 is: 5,850.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.35 : 7,499.10 = 4,237.64 : x
  2. Step 2: Convert to fraction form
    5,431.35/7,499.10 = 4,237.64/x
  3. Step 3: Cross multiply
    5,431.35x = 7,499.10 × 4,237.64
  4. Step 4: Simplify right side
    5,431.35x = 31,778,448.63
  5. Step 5: Solve for x
    x = 31,778,448.63/5,431.35
  6. Step 6: Final answer
    x = 5,850.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.