Home / 7,002.40-10,505.64-2,072.16

Finding the Fourth Proportional to 7,002.40, 10,505.64 and 2,072.16

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Solution

The fourth proportional to 7,002.40, 10,505.64 and 2,072.16 is: 3,108.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.40 : 10,505.64 = 2,072.16 : x
  2. Step 2: Convert to fraction form
    7,002.40/10,505.64 = 2,072.16/x
  3. Step 3: Cross multiply
    7,002.40x = 10,505.64 × 2,072.16
  4. Step 4: Simplify right side
    7,002.40x = 21,769,366.98
  5. Step 5: Solve for x
    x = 21,769,366.98/7,002.40
  6. Step 6: Final answer
    x = 3,108.84

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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.