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Finding the Fourth Proportional to 6,007.80, 9,010.08 and 4,071.90

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Solution

The fourth proportional to 6,007.80, 9,010.08 and 4,071.90 is: 6,106.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,007.80 : 9,010.08 = 4,071.90 : x
  2. Step 2: Convert to fraction form
    6,007.80/9,010.08 = 4,071.90/x
  3. Step 3: Cross multiply
    6,007.80x = 9,010.08 × 4,071.90
  4. Step 4: Simplify right side
    6,007.80x = 36,688,144.75
  5. Step 5: Solve for x
    x = 36,688,144.75/6,007.80
  6. Step 6: Final answer
    x = 6,106.75

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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.