Home / 7,332.21-10,998.25-1,785.56

Finding the Fourth Proportional to 7,332.21, 10,998.25 and 1,785.56

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Solution

The fourth proportional to 7,332.21, 10,998.25 and 1,785.56 is: 2,678.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.21 : 10,998.25 = 1,785.56 : x
  2. Step 2: Convert to fraction form
    7,332.21/10,998.25 = 1,785.56/x
  3. Step 3: Cross multiply
    7,332.21x = 10,998.25 × 1,785.56
  4. Step 4: Simplify right side
    7,332.21x = 19,637,975.81
  5. Step 5: Solve for x
    x = 19,637,975.81/7,332.21
  6. Step 6: Final answer
    x = 2,678.32

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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.