Home / 4,901.20-7,351.80-4,325.20

Finding the Fourth Proportional to 4,901.20, 7,351.80 and 4,325.20

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Solution

The fourth proportional to 4,901.20, 7,351.80 and 4,325.20 is: 6,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.20 : 7,351.80 = 4,325.20 : x
  2. Step 2: Convert to fraction form
    4,901.20/7,351.80 = 4,325.20/x
  3. Step 3: Cross multiply
    4,901.20x = 7,351.80 × 4,325.20
  4. Step 4: Simplify right side
    4,901.20x = 31,798,005.36
  5. Step 5: Solve for x
    x = 31,798,005.36/4,901.20
  6. Step 6: Final answer
    x = 6,487.80

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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.