Home / 5,007.21-7,518.47-4,237.31

Finding the Fourth Proportional to 5,007.21, 7,518.47 and 4,237.31

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Solution

The fourth proportional to 5,007.21, 7,518.47 and 4,237.31 is: 6,362.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.21 : 7,518.47 = 4,237.31 : x
  2. Step 2: Convert to fraction form
    5,007.21/7,518.47 = 4,237.31/x
  3. Step 3: Cross multiply
    5,007.21x = 7,518.47 × 4,237.31
  4. Step 4: Simplify right side
    5,007.21x = 31,858,057.53
  5. Step 5: Solve for x
    x = 31,858,057.53/5,007.21
  6. Step 6: Final answer
    x = 6,362.43

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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.