Home / 7,380.51-11,072.72-4,254.88

Finding the Fourth Proportional to 7,380.51, 11,072.72 and 4,254.88

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Solution

The fourth proportional to 7,380.51, 11,072.72 and 4,254.88 is: 6,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.51 : 11,072.72 = 4,254.88 : x
  2. Step 2: Convert to fraction form
    7,380.51/11,072.72 = 4,254.88/x
  3. Step 3: Cross multiply
    7,380.51x = 11,072.72 × 4,254.88
  4. Step 4: Simplify right side
    7,380.51x = 47,113,094.87
  5. Step 5: Solve for x
    x = 47,113,094.87/7,380.51
  6. Step 6: Final answer
    x = 6,383.45

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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.