Home / 8,127.53-11,216.40-4,770.49

Finding the Fourth Proportional to 8,127.53, 11,216.40 and 4,770.49

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Solution

The fourth proportional to 8,127.53, 11,216.40 and 4,770.49 is: 6,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.53 : 11,216.40 = 4,770.49 : x
  2. Step 2: Convert to fraction form
    8,127.53/11,216.40 = 4,770.49/x
  3. Step 3: Cross multiply
    8,127.53x = 11,216.40 × 4,770.49
  4. Step 4: Simplify right side
    8,127.53x = 53,507,724.04
  5. Step 5: Solve for x
    x = 53,507,724.04/8,127.53
  6. Step 6: Final answer
    x = 6,583.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.