Home / 6,987.90-10,483.20-2,057.70

Finding the Fourth Proportional to 6,987.90, 10,483.20 and 2,057.70

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Solution

The fourth proportional to 6,987.90, 10,483.20 and 2,057.70 is: 3,086.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.90 : 10,483.20 = 2,057.70 : x
  2. Step 2: Convert to fraction form
    6,987.90/10,483.20 = 2,057.70/x
  3. Step 3: Cross multiply
    6,987.90x = 10,483.20 × 2,057.70
  4. Step 4: Simplify right side
    6,987.90x = 21,571,280.64
  5. Step 5: Solve for x
    x = 21,571,280.64/6,987.90
  6. Step 6: Final answer
    x = 3,086.95

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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.