Home / 6,884.48-10,326.60-1,690.40

Finding the Fourth Proportional to 6,884.48, 10,326.60 and 1,690.40

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Solution

The fourth proportional to 6,884.48, 10,326.60 and 1,690.40 is: 2,535.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,884.48 : 10,326.60 = 1,690.40 : x
  2. Step 2: Convert to fraction form
    6,884.48/10,326.60 = 1,690.40/x
  3. Step 3: Cross multiply
    6,884.48x = 10,326.60 × 1,690.40
  4. Step 4: Simplify right side
    6,884.48x = 17,456,084.64
  5. Step 5: Solve for x
    x = 17,456,084.64/6,884.48
  6. Step 6: Final answer
    x = 2,535.57

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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.