Home / 6,975.74-10,464.20-1,978.14

Finding the Fourth Proportional to 6,975.74, 10,464.20 and 1,978.14

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Solution

The fourth proportional to 6,975.74, 10,464.20 and 1,978.14 is: 2,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975.74 : 10,464.20 = 1,978.14 : x
  2. Step 2: Convert to fraction form
    6,975.74/10,464.20 = 1,978.14/x
  3. Step 3: Cross multiply
    6,975.74x = 10,464.20 × 1,978.14
  4. Step 4: Simplify right side
    6,975.74x = 20,699,652.59
  5. Step 5: Solve for x
    x = 20,699,652.59/6,975.74
  6. Step 6: Final answer
    x = 2,967.38

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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.