Home / 7,090.91-10,636.86-2,409.01

Finding the Fourth Proportional to 7,090.91, 10,636.86 and 2,409.01

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Solution

The fourth proportional to 7,090.91, 10,636.86 and 2,409.01 is: 3,613.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.91 : 10,636.86 = 2,409.01 : x
  2. Step 2: Convert to fraction form
    7,090.91/10,636.86 = 2,409.01/x
  3. Step 3: Cross multiply
    7,090.91x = 10,636.86 × 2,409.01
  4. Step 4: Simplify right side
    7,090.91x = 25,624,302.11
  5. Step 5: Solve for x
    x = 25,624,302.11/7,090.91
  6. Step 6: Final answer
    x = 3,613.68

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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.