Home / 5,507.98-8,261.87-2,221.00

Finding the Fourth Proportional to 5,507.98, 8,261.87 and 2,221.00

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Solution

The fourth proportional to 5,507.98, 8,261.87 and 2,221.00 is: 3,331.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.98 : 8,261.87 = 2,221.00 : x
  2. Step 2: Convert to fraction form
    5,507.98/8,261.87 = 2,221.00/x
  3. Step 3: Cross multiply
    5,507.98x = 8,261.87 × 2,221.00
  4. Step 4: Simplify right side
    5,507.98x = 18,349,581.51
  5. Step 5: Solve for x
    x = 18,349,581.51/5,507.98
  6. Step 6: Final answer
    x = 3,331.46

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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.