Home / 4,927.05-7,408.80-4,125.15

Finding the Fourth Proportional to 4,927.05, 7,408.80 and 4,125.15

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Solution

The fourth proportional to 4,927.05, 7,408.80 and 4,125.15 is: 6,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.05 : 7,408.80 = 4,125.15 : x
  2. Step 2: Convert to fraction form
    4,927.05/7,408.80 = 4,125.15/x
  3. Step 3: Cross multiply
    4,927.05x = 7,408.80 × 4,125.15
  4. Step 4: Simplify right side
    4,927.05x = 30,562,411.32
  5. Step 5: Solve for x
    x = 30,562,411.32/4,927.05
  6. Step 6: Final answer
    x = 6,202.98

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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.