Home / 5,528.96-8,290.89-1,780.06

Finding the Fourth Proportional to 5,528.96, 8,290.89 and 1,780.06

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Solution

The fourth proportional to 5,528.96, 8,290.89 and 1,780.06 is: 2,669.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.96 : 8,290.89 = 1,780.06 : x
  2. Step 2: Convert to fraction form
    5,528.96/8,290.89 = 1,780.06/x
  3. Step 3: Cross multiply
    5,528.96x = 8,290.89 × 1,780.06
  4. Step 4: Simplify right side
    5,528.96x = 14,758,240.70
  5. Step 5: Solve for x
    x = 14,758,240.70/5,528.96
  6. Step 6: Final answer
    x = 2,669.26

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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.