Home / 6,904.48-10,356.70-1,974.40

Finding the Fourth Proportional to 6,904.48, 10,356.70 and 1,974.40

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Solution

The fourth proportional to 6,904.48, 10,356.70 and 1,974.40 is: 2,961.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,904.48 : 10,356.70 = 1,974.40 : x
  2. Step 2: Convert to fraction form
    6,904.48/10,356.70 = 1,974.40/x
  3. Step 3: Cross multiply
    6,904.48x = 10,356.70 × 1,974.40
  4. Step 4: Simplify right side
    6,904.48x = 20,448,268.48
  5. Step 5: Solve for x
    x = 20,448,268.48/6,904.48
  6. Step 6: Final answer
    x = 2,961.59

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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.