Home / 7,332.55-10,998.85-1,785.90

Finding the Fourth Proportional to 7,332.55, 10,998.85 and 1,785.90

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Solution

The fourth proportional to 7,332.55, 10,998.85 and 1,785.90 is: 2,678.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.55 : 10,998.85 = 1,785.90 : x
  2. Step 2: Convert to fraction form
    7,332.55/10,998.85 = 1,785.90/x
  3. Step 3: Cross multiply
    7,332.55x = 10,998.85 × 1,785.90
  4. Step 4: Simplify right side
    7,332.55x = 19,642,846.22
  5. Step 5: Solve for x
    x = 19,642,846.22/7,332.55
  6. Step 6: Final answer
    x = 2,678.86

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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.