Home / 7,905.16-11,858.28-2,714.68

Finding the Fourth Proportional to 7,905.16, 11,858.28 and 2,714.68

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Solution

The fourth proportional to 7,905.16, 11,858.28 and 2,714.68 is: 4,072.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.16 : 11,858.28 = 2,714.68 : x
  2. Step 2: Convert to fraction form
    7,905.16/11,858.28 = 2,714.68/x
  3. Step 3: Cross multiply
    7,905.16x = 11,858.28 × 2,714.68
  4. Step 4: Simplify right side
    7,905.16x = 32,191,435.55
  5. Step 5: Solve for x
    x = 32,191,435.55/7,905.16
  6. Step 6: Final answer
    x = 4,072.21

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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.