Home / 7,127.39-10,688.35-2,446.53

Finding the Fourth Proportional to 7,127.39, 10,688.35 and 2,446.53

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Solution

The fourth proportional to 7,127.39, 10,688.35 and 2,446.53 is: 3,668.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.39 : 10,688.35 = 2,446.53 : x
  2. Step 2: Convert to fraction form
    7,127.39/10,688.35 = 2,446.53/x
  3. Step 3: Cross multiply
    7,127.39x = 10,688.35 × 2,446.53
  4. Step 4: Simplify right side
    7,127.39x = 26,149,303.25
  5. Step 5: Solve for x
    x = 26,149,303.25/7,127.39
  6. Step 6: Final answer
    x = 3,668.85

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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.