Home / 7,210.60-10,794.30-4,287.40

Finding the Fourth Proportional to 7,210.60, 10,794.30 and 4,287.40

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Solution

The fourth proportional to 7,210.60, 10,794.30 and 4,287.40 is: 6,418.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.60 : 10,794.30 = 4,287.40 : x
  2. Step 2: Convert to fraction form
    7,210.60/10,794.30 = 4,287.40/x
  3. Step 3: Cross multiply
    7,210.60x = 10,794.30 × 4,287.40
  4. Step 4: Simplify right side
    7,210.60x = 46,279,481.82
  5. Step 5: Solve for x
    x = 46,279,481.82/7,210.60
  6. Step 6: Final answer
    x = 6,418.26

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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.