Home / 8,721.23-12,033.18-5,533.35

Finding the Fourth Proportional to 8,721.23, 12,033.18 and 5,533.35

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Solution

The fourth proportional to 8,721.23, 12,033.18 and 5,533.35 is: 7,634.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721.23 : 12,033.18 = 5,533.35 : x
  2. Step 2: Convert to fraction form
    8,721.23/12,033.18 = 5,533.35/x
  3. Step 3: Cross multiply
    8,721.23x = 12,033.18 × 5,533.35
  4. Step 4: Simplify right side
    8,721.23x = 66,583,796.55
  5. Step 5: Solve for x
    x = 66,583,796.55/8,721.23
  6. Step 6: Final answer
    x = 7,634.68

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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.