Home / 4,617.21-6,950.78-4,215.45

Finding the Fourth Proportional to 4,617.21, 6,950.78 and 4,215.45

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Solution

The fourth proportional to 4,617.21, 6,950.78 and 4,215.45 is: 6,345.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,617.21 : 6,950.78 = 4,215.45 : x
  2. Step 2: Convert to fraction form
    4,617.21/6,950.78 = 4,215.45/x
  3. Step 3: Cross multiply
    4,617.21x = 6,950.78 × 4,215.45
  4. Step 4: Simplify right side
    4,617.21x = 29,300,644.47
  5. Step 5: Solve for x
    x = 29,300,644.47/4,617.21
  6. Step 6: Final answer
    x = 6,345.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.