Home / 4,570.48-6,858.56-2,105.65

Finding the Fourth Proportional to 4,570.48, 6,858.56 and 2,105.65

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Solution

The fourth proportional to 4,570.48, 6,858.56 and 2,105.65 is: 3,159.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,570.48 : 6,858.56 = 2,105.65 : x
  2. Step 2: Convert to fraction form
    4,570.48/6,858.56 = 2,105.65/x
  3. Step 3: Cross multiply
    4,570.48x = 6,858.56 × 2,105.65
  4. Step 4: Simplify right side
    4,570.48x = 14,441,726.86
  5. Step 5: Solve for x
    x = 14,441,726.86/4,570.48
  6. Step 6: Final answer
    x = 3,159.78

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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.