Home / 6,411.93-8,848.53-3,579.57

Finding the Fourth Proportional to 6,411.93, 8,848.53 and 3,579.57

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Solution

The fourth proportional to 6,411.93, 8,848.53 and 3,579.57 is: 4,939.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,411.93 : 8,848.53 = 3,579.57 : x
  2. Step 2: Convert to fraction form
    6,411.93/8,848.53 = 3,579.57/x
  3. Step 3: Cross multiply
    6,411.93x = 8,848.53 × 3,579.57
  4. Step 4: Simplify right side
    6,411.93x = 31,673,932.53
  5. Step 5: Solve for x
    x = 31,673,932.53/6,411.93
  6. Step 6: Final answer
    x = 4,939.84

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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.