Home / 7,320.96-10,984.32-2,936.16

Finding the Fourth Proportional to 7,320.96, 10,984.32 and 2,936.16

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Solution

The fourth proportional to 7,320.96, 10,984.32 and 2,936.16 is: 4,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.96 : 10,984.32 = 2,936.16 : x
  2. Step 2: Convert to fraction form
    7,320.96/10,984.32 = 2,936.16/x
  3. Step 3: Cross multiply
    7,320.96x = 10,984.32 × 2,936.16
  4. Step 4: Simplify right side
    7,320.96x = 32,251,721.01
  5. Step 5: Solve for x
    x = 32,251,721.01/7,320.96
  6. Step 6: Final answer
    x = 4,405.40

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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.