Home / 6,285.87-9,420.04-4,724.05

Finding the Fourth Proportional to 6,285.87, 9,420.04 and 4,724.05

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Solution

The fourth proportional to 6,285.87, 9,420.04 and 4,724.05 is: 7,079.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.87 : 9,420.04 = 4,724.05 : x
  2. Step 2: Convert to fraction form
    6,285.87/9,420.04 = 4,724.05/x
  3. Step 3: Cross multiply
    6,285.87x = 9,420.04 × 4,724.05
  4. Step 4: Simplify right side
    6,285.87x = 44,500,738.15
  5. Step 5: Solve for x
    x = 44,500,738.15/6,285.87
  6. Step 6: Final answer
    x = 7,079.48

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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.