Home / 4,984.10-6,879.02-2,860.89

Finding the Fourth Proportional to 4,984.10, 6,879.02 and 2,860.89

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Solution

The fourth proportional to 4,984.10, 6,879.02 and 2,860.89 is: 3,948.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.10 : 6,879.02 = 2,860.89 : x
  2. Step 2: Convert to fraction form
    4,984.10/6,879.02 = 2,860.89/x
  3. Step 3: Cross multiply
    4,984.10x = 6,879.02 × 2,860.89
  4. Step 4: Simplify right side
    4,984.10x = 19,680,085.13
  5. Step 5: Solve for x
    x = 19,680,085.13/4,984.10
  6. Step 6: Final answer
    x = 3,948.58

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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.