Home / 7,192.36-10,785.06-4,269.88

Finding the Fourth Proportional to 7,192.36, 10,785.06 and 4,269.88

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Solution

The fourth proportional to 7,192.36, 10,785.06 and 4,269.88 is: 6,402.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.36 : 10,785.06 = 4,269.88 : x
  2. Step 2: Convert to fraction form
    7,192.36/10,785.06 = 4,269.88/x
  3. Step 3: Cross multiply
    7,192.36x = 10,785.06 × 4,269.88
  4. Step 4: Simplify right side
    7,192.36x = 46,050,911.99
  5. Step 5: Solve for x
    x = 46,050,911.99/7,192.36
  6. Step 6: Final answer
    x = 6,402.75

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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.