Home / 7,316.68-10,976.64-2,386.21

Finding the Fourth Proportional to 7,316.68, 10,976.64 and 2,386.21

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Solution

The fourth proportional to 7,316.68, 10,976.64 and 2,386.21 is: 3,579.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.68 : 10,976.64 = 2,386.21 : x
  2. Step 2: Convert to fraction form
    7,316.68/10,976.64 = 2,386.21/x
  3. Step 3: Cross multiply
    7,316.68x = 10,976.64 × 2,386.21
  4. Step 4: Simplify right side
    7,316.68x = 26,192,568.13
  5. Step 5: Solve for x
    x = 26,192,568.13/7,316.68
  6. Step 6: Final answer
    x = 3,579.84

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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.