Home / 7,801.08-11,704.84-4,102.40

Finding the Fourth Proportional to 7,801.08, 11,704.84 and 4,102.40

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Solution

The fourth proportional to 7,801.08, 11,704.84 and 4,102.40 is: 6,155.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.08 : 11,704.84 = 4,102.40 : x
  2. Step 2: Convert to fraction form
    7,801.08/11,704.84 = 4,102.40/x
  3. Step 3: Cross multiply
    7,801.08x = 11,704.84 × 4,102.40
  4. Step 4: Simplify right side
    7,801.08x = 48,017,935.62
  5. Step 5: Solve for x
    x = 48,017,935.62/7,801.08
  6. Step 6: Final answer
    x = 6,155.29

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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.