Home / 4,985.21-6,878.12-2,995.04

Finding the Fourth Proportional to 4,985.21, 6,878.12 and 2,995.04

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Solution

The fourth proportional to 4,985.21, 6,878.12 and 2,995.04 is: 4,132.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.21 : 6,878.12 = 2,995.04 : x
  2. Step 2: Convert to fraction form
    4,985.21/6,878.12 = 2,995.04/x
  3. Step 3: Cross multiply
    4,985.21x = 6,878.12 × 2,995.04
  4. Step 4: Simplify right side
    4,985.21x = 20,600,246.74
  5. Step 5: Solve for x
    x = 20,600,246.74/4,985.21
  6. Step 6: Final answer
    x = 4,132.27

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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.