Home / 6,915.62-10,374.57-2,539.22

Finding the Fourth Proportional to 6,915.62, 10,374.57 and 2,539.22

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Solution

The fourth proportional to 6,915.62, 10,374.57 and 2,539.22 is: 3,809.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.62 : 10,374.57 = 2,539.22 : x
  2. Step 2: Convert to fraction form
    6,915.62/10,374.57 = 2,539.22/x
  3. Step 3: Cross multiply
    6,915.62x = 10,374.57 × 2,539.22
  4. Step 4: Simplify right side
    6,915.62x = 26,343,315.64
  5. Step 5: Solve for x
    x = 26,343,315.64/6,915.62
  6. Step 6: Final answer
    x = 3,809.25

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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.