Home / 5,551.06-8,327.40-1,655.50

Finding the Fourth Proportional to 5,551.06, 8,327.40 and 1,655.50

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Solution

The fourth proportional to 5,551.06, 8,327.40 and 1,655.50 is: 2,483.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.06 : 8,327.40 = 1,655.50 : x
  2. Step 2: Convert to fraction form
    5,551.06/8,327.40 = 1,655.50/x
  3. Step 3: Cross multiply
    5,551.06x = 8,327.40 × 1,655.50
  4. Step 4: Simplify right side
    5,551.06x = 13,786,010.70
  5. Step 5: Solve for x
    x = 13,786,010.70/5,551.06
  6. Step 6: Final answer
    x = 2,483.49

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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.