Home / 7,219.19-9,963.35-4,387.03

Finding the Fourth Proportional to 7,219.19, 9,963.35 and 4,387.03

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Solution

The fourth proportional to 7,219.19, 9,963.35 and 4,387.03 is: 6,054.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.19 : 9,963.35 = 4,387.03 : x
  2. Step 2: Convert to fraction form
    7,219.19/9,963.35 = 4,387.03/x
  3. Step 3: Cross multiply
    7,219.19x = 9,963.35 × 4,387.03
  4. Step 4: Simplify right side
    7,219.19x = 43,709,443.60
  5. Step 5: Solve for x
    x = 43,709,443.60/7,219.19
  6. Step 6: Final answer
    x = 6,054.62

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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.