Home / 4,915.80-6,783.30-2,926.44

Finding the Fourth Proportional to 4,915.80, 6,783.30 and 2,926.44

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Solution

The fourth proportional to 4,915.80, 6,783.30 and 2,926.44 is: 4,038.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.80 : 6,783.30 = 2,926.44 : x
  2. Step 2: Convert to fraction form
    4,915.80/6,783.30 = 2,926.44/x
  3. Step 3: Cross multiply
    4,915.80x = 6,783.30 × 2,926.44
  4. Step 4: Simplify right side
    4,915.80x = 19,850,920.45
  5. Step 5: Solve for x
    x = 19,850,920.45/4,915.80
  6. Step 6: Final answer
    x = 4,038.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.