Home / 5,730.78-8,592.82-1,780.96

Finding the Fourth Proportional to 5,730.78, 8,592.82 and 1,780.96

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Solution

The fourth proportional to 5,730.78, 8,592.82 and 1,780.96 is: 2,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,730.78 : 8,592.82 = 1,780.96 : x
  2. Step 2: Convert to fraction form
    5,730.78/8,592.82 = 1,780.96/x
  3. Step 3: Cross multiply
    5,730.78x = 8,592.82 × 1,780.96
  4. Step 4: Simplify right side
    5,730.78x = 15,303,490.57
  5. Step 5: Solve for x
    x = 15,303,490.57/5,730.78
  6. Step 6: Final answer
    x = 2,670.40

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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.