Home / 4,995.12-7,485.96-1,915.44

Finding the Fourth Proportional to 4,995.12, 7,485.96 and 1,915.44

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Solution

The fourth proportional to 4,995.12, 7,485.96 and 1,915.44 is: 2,870.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.12 : 7,485.96 = 1,915.44 : x
  2. Step 2: Convert to fraction form
    4,995.12/7,485.96 = 1,915.44/x
  3. Step 3: Cross multiply
    4,995.12x = 7,485.96 × 1,915.44
  4. Step 4: Simplify right side
    4,995.12x = 14,338,907.22
  5. Step 5: Solve for x
    x = 14,338,907.22/4,995.12
  6. Step 6: Final answer
    x = 2,870.58

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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.