Home / 7,320.80-10,955.66-5,989.16

Finding the Fourth Proportional to 7,320.80, 10,955.66 and 5,989.16

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Solution

The fourth proportional to 7,320.80, 10,955.66 and 5,989.16 is: 8,962.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.80 : 10,955.66 = 5,989.16 : x
  2. Step 2: Convert to fraction form
    7,320.80/10,955.66 = 5,989.16/x
  3. Step 3: Cross multiply
    7,320.80x = 10,955.66 × 5,989.16
  4. Step 4: Simplify right side
    7,320.80x = 65,615,115.92
  5. Step 5: Solve for x
    x = 65,615,115.92/7,320.80
  6. Step 6: Final answer
    x = 8,962.84

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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.