Home / 5,780.41-8,670.57-3,005.65

Finding the Fourth Proportional to 5,780.41, 8,670.57 and 3,005.65

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Solution

The fourth proportional to 5,780.41, 8,670.57 and 3,005.65 is: 4,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.41 : 8,670.57 = 3,005.65 : x
  2. Step 2: Convert to fraction form
    5,780.41/8,670.57 = 3,005.65/x
  3. Step 3: Cross multiply
    5,780.41x = 8,670.57 × 3,005.65
  4. Step 4: Simplify right side
    5,780.41x = 26,060,698.72
  5. Step 5: Solve for x
    x = 26,060,698.72/5,780.41
  6. Step 6: Final answer
    x = 4,508.45

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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.