Home / 4,345.70-6,519.69-1,879.94

Finding the Fourth Proportional to 4,345.70, 6,519.69 and 1,879.94

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Solution

The fourth proportional to 4,345.70, 6,519.69 and 1,879.94 is: 2,820.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.70 : 6,519.69 = 1,879.94 : x
  2. Step 2: Convert to fraction form
    4,345.70/6,519.69 = 1,879.94/x
  3. Step 3: Cross multiply
    4,345.70x = 6,519.69 × 1,879.94
  4. Step 4: Simplify right side
    4,345.70x = 12,256,642.32
  5. Step 5: Solve for x
    x = 12,256,642.32/4,345.70
  6. Step 6: Final answer
    x = 2,820.41

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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.