Home / 4,985.07-6,879.13-2,746.89

Finding the Fourth Proportional to 4,985.07, 6,879.13 and 2,746.89

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Solution

The fourth proportional to 4,985.07, 6,879.13 and 2,746.89 is: 3,790.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.07 : 6,879.13 = 2,746.89 : x
  2. Step 2: Convert to fraction form
    4,985.07/6,879.13 = 2,746.89/x
  3. Step 3: Cross multiply
    4,985.07x = 6,879.13 × 2,746.89
  4. Step 4: Simplify right side
    4,985.07x = 18,896,213.41
  5. Step 5: Solve for x
    x = 18,896,213.41/4,985.07
  6. Step 6: Final answer
    x = 3,790.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.