Home / 7,810.20-11,714.54-4,299.05

Finding the Fourth Proportional to 7,810.20, 11,714.54 and 4,299.05

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Solution

The fourth proportional to 7,810.20, 11,714.54 and 4,299.05 is: 6,448.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.20 : 11,714.54 = 4,299.05 : x
  2. Step 2: Convert to fraction form
    7,810.20/11,714.54 = 4,299.05/x
  3. Step 3: Cross multiply
    7,810.20x = 11,714.54 × 4,299.05
  4. Step 4: Simplify right side
    7,810.20x = 50,361,400.98
  5. Step 5: Solve for x
    x = 50,361,400.98/7,810.20
  6. Step 6: Final answer
    x = 6,448.16

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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.