Home / 7,289.42-10,056.87-4,102.20

Finding the Fourth Proportional to 7,289.42, 10,056.87 and 4,102.20

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Solution

The fourth proportional to 7,289.42, 10,056.87 and 4,102.20 is: 5,659.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.42 : 10,056.87 = 4,102.20 : x
  2. Step 2: Convert to fraction form
    7,289.42/10,056.87 = 4,102.20/x
  3. Step 3: Cross multiply
    7,289.42x = 10,056.87 × 4,102.20
  4. Step 4: Simplify right side
    7,289.42x = 41,255,292.11
  5. Step 5: Solve for x
    x = 41,255,292.11/7,289.42
  6. Step 6: Final answer
    x = 5,659.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.