Home / 4,988.32-7,482.47-3,893.60

Finding the Fourth Proportional to 4,988.32, 7,482.47 and 3,893.60

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Solution

The fourth proportional to 4,988.32, 7,482.47 and 3,893.60 is: 5,840.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.32 : 7,482.47 = 3,893.60 : x
  2. Step 2: Convert to fraction form
    4,988.32/7,482.47 = 3,893.60/x
  3. Step 3: Cross multiply
    4,988.32x = 7,482.47 × 3,893.60
  4. Step 4: Simplify right side
    4,988.32x = 29,133,744.43
  5. Step 5: Solve for x
    x = 29,133,744.43/4,988.32
  6. Step 6: Final answer
    x = 5,840.39

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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.