Home / 5,785.70-8,670.89-2,620.77

Finding the Fourth Proportional to 5,785.70, 8,670.89 and 2,620.77

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Solution

The fourth proportional to 5,785.70, 8,670.89 and 2,620.77 is: 3,927.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.70 : 8,670.89 = 2,620.77 : x
  2. Step 2: Convert to fraction form
    5,785.70/8,670.89 = 2,620.77/x
  3. Step 3: Cross multiply
    5,785.70x = 8,670.89 × 2,620.77
  4. Step 4: Simplify right side
    5,785.70x = 22,724,395.28
  5. Step 5: Solve for x
    x = 22,724,395.28/5,785.70
  6. Step 6: Final answer
    x = 3,927.69

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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.