Home / 7,009.47-10,513.79-2,626.56

Finding the Fourth Proportional to 7,009.47, 10,513.79 and 2,626.56

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Solution

The fourth proportional to 7,009.47, 10,513.79 and 2,626.56 is: 3,939.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.47 : 10,513.79 = 2,626.56 : x
  2. Step 2: Convert to fraction form
    7,009.47/10,513.79 = 2,626.56/x
  3. Step 3: Cross multiply
    7,009.47x = 10,513.79 × 2,626.56
  4. Step 4: Simplify right side
    7,009.47x = 27,615,034.56
  5. Step 5: Solve for x
    x = 27,615,034.56/7,009.47
  6. Step 6: Final answer
    x = 3,939.68

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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.