Home / 5,509.40-8,262.88-1,612.89

Finding the Fourth Proportional to 5,509.40, 8,262.88 and 1,612.89

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Solution

The fourth proportional to 5,509.40, 8,262.88 and 1,612.89 is: 2,418.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.40 : 8,262.88 = 1,612.89 : x
  2. Step 2: Convert to fraction form
    5,509.40/8,262.88 = 1,612.89/x
  3. Step 3: Cross multiply
    5,509.40x = 8,262.88 × 1,612.89
  4. Step 4: Simplify right side
    5,509.40x = 13,327,112.49
  5. Step 5: Solve for x
    x = 13,327,112.49/5,509.40
  6. Step 6: Final answer
    x = 2,418.98

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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.