Home / 7,968.38-11,955-4,075.52

Finding the Fourth Proportional to 7,968.38, 11,955 and 4,075.52

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Solution

The fourth proportional to 7,968.38, 11,955 and 4,075.52 is: 6,114.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.38 : 11,955 = 4,075.52 : x
  2. Step 2: Convert to fraction form
    7,968.38/11,955 = 4,075.52/x
  3. Step 3: Cross multiply
    7,968.38x = 11,955 × 4,075.52
  4. Step 4: Simplify right side
    7,968.38x = 48,722,841.60
  5. Step 5: Solve for x
    x = 48,722,841.60/7,968.38
  6. Step 6: Final answer
    x = 6,114.52

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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.