Home / 4,724.81-7,114.69-3,500.90

Finding the Fourth Proportional to 4,724.81, 7,114.69 and 3,500.90

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Solution

The fourth proportional to 4,724.81, 7,114.69 and 3,500.90 is: 5,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724.81 : 7,114.69 = 3,500.90 : x
  2. Step 2: Convert to fraction form
    4,724.81/7,114.69 = 3,500.90/x
  3. Step 3: Cross multiply
    4,724.81x = 7,114.69 × 3,500.90
  4. Step 4: Simplify right side
    4,724.81x = 24,907,800.72
  5. Step 5: Solve for x
    x = 24,907,800.72/4,724.81
  6. Step 6: Final answer
    x = 5,271.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.