Home / 6,915.33-10,374.53-1,984.59

Finding the Fourth Proportional to 6,915.33, 10,374.53 and 1,984.59

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Solution

The fourth proportional to 6,915.33, 10,374.53 and 1,984.59 is: 2,977.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.33 : 10,374.53 = 1,984.59 : x
  2. Step 2: Convert to fraction form
    6,915.33/10,374.53 = 1,984.59/x
  3. Step 3: Cross multiply
    6,915.33x = 10,374.53 × 1,984.59
  4. Step 4: Simplify right side
    6,915.33x = 20,589,178.57
  5. Step 5: Solve for x
    x = 20,589,178.57/6,915.33
  6. Step 6: Final answer
    x = 2,977.32

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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.