Home / 7,069.86-10,607.04-2,140.02

Finding the Fourth Proportional to 7,069.86, 10,607.04 and 2,140.02

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Solution

The fourth proportional to 7,069.86, 10,607.04 and 2,140.02 is: 3,210.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.86 : 10,607.04 = 2,140.02 : x
  2. Step 2: Convert to fraction form
    7,069.86/10,607.04 = 2,140.02/x
  3. Step 3: Cross multiply
    7,069.86x = 10,607.04 × 2,140.02
  4. Step 4: Simplify right side
    7,069.86x = 22,699,277.74
  5. Step 5: Solve for x
    x = 22,699,277.74/7,069.86
  6. Step 6: Final answer
    x = 3,210.71

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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.