Home / 4,907.08-7,361.34-1,985.56

Finding the Fourth Proportional to 4,907.08, 7,361.34 and 1,985.56

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Solution

The fourth proportional to 4,907.08, 7,361.34 and 1,985.56 is: 2,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.08 : 7,361.34 = 1,985.56 : x
  2. Step 2: Convert to fraction form
    4,907.08/7,361.34 = 1,985.56/x
  3. Step 3: Cross multiply
    4,907.08x = 7,361.34 × 1,985.56
  4. Step 4: Simplify right side
    4,907.08x = 14,616,382.25
  5. Step 5: Solve for x
    x = 14,616,382.25/4,907.08
  6. Step 6: Final answer
    x = 2,978.63

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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.