Home / 4,984.20-6,877.77-2,888.46

Finding the Fourth Proportional to 4,984.20, 6,877.77 and 2,888.46

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Solution

The fourth proportional to 4,984.20, 6,877.77 and 2,888.46 is: 3,985.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.20 : 6,877.77 = 2,888.46 : x
  2. Step 2: Convert to fraction form
    4,984.20/6,877.77 = 2,888.46/x
  3. Step 3: Cross multiply
    4,984.20x = 6,877.77 × 2,888.46
  4. Step 4: Simplify right side
    4,984.20x = 19,866,163.53
  5. Step 5: Solve for x
    x = 19,866,163.53/4,984.20
  6. Step 6: Final answer
    x = 3,985.83

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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.