Home / 7,066.98-10,602.27-3,172.86

Finding the Fourth Proportional to 7,066.98, 10,602.27 and 3,172.86

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Solution

The fourth proportional to 7,066.98, 10,602.27 and 3,172.86 is: 4,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,066.98 : 10,602.27 = 3,172.86 : x
  2. Step 2: Convert to fraction form
    7,066.98/10,602.27 = 3,172.86/x
  3. Step 3: Cross multiply
    7,066.98x = 10,602.27 × 3,172.86
  4. Step 4: Simplify right side
    7,066.98x = 33,639,518.39
  5. Step 5: Solve for x
    x = 33,639,518.39/7,066.98
  6. Step 6: Final answer
    x = 4,760.10

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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.