Home / 4,889.60-7,334.08-2,114.32

Finding the Fourth Proportional to 4,889.60, 7,334.08 and 2,114.32

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Solution

The fourth proportional to 4,889.60, 7,334.08 and 2,114.32 is: 3,171.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.60 : 7,334.08 = 2,114.32 : x
  2. Step 2: Convert to fraction form
    4,889.60/7,334.08 = 2,114.32/x
  3. Step 3: Cross multiply
    4,889.60x = 7,334.08 × 2,114.32
  4. Step 4: Simplify right side
    4,889.60x = 15,506,592.03
  5. Step 5: Solve for x
    x = 15,506,592.03/4,889.60
  6. Step 6: Final answer
    x = 3,171.34

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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.