Home / 6,915.02-10,374.60-3,219.44

Finding the Fourth Proportional to 6,915.02, 10,374.60 and 3,219.44

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Solution

The fourth proportional to 6,915.02, 10,374.60 and 3,219.44 is: 4,830.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.02 : 10,374.60 = 3,219.44 : x
  2. Step 2: Convert to fraction form
    6,915.02/10,374.60 = 3,219.44/x
  3. Step 3: Cross multiply
    6,915.02x = 10,374.60 × 3,219.44
  4. Step 4: Simplify right side
    6,915.02x = 33,400,402.22
  5. Step 5: Solve for x
    x = 33,400,402.22/6,915.02
  6. Step 6: Final answer
    x = 4,830.12

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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.