Home / 5,533.20-7,643.28-4,421.91

Finding the Fourth Proportional to 5,533.20, 7,643.28 and 4,421.91

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Solution

The fourth proportional to 5,533.20, 7,643.28 and 4,421.91 is: 6,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,533.20 : 7,643.28 = 4,421.91 : x
  2. Step 2: Convert to fraction form
    5,533.20/7,643.28 = 4,421.91/x
  3. Step 3: Cross multiply
    5,533.20x = 7,643.28 × 4,421.91
  4. Step 4: Simplify right side
    5,533.20x = 33,797,896.26
  5. Step 5: Solve for x
    x = 33,797,896.26/5,533.20
  6. Step 6: Final answer
    x = 6,108.20

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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.