Home / 7,784.03-10,741.78-4,247.30

Finding the Fourth Proportional to 7,784.03, 10,741.78 and 4,247.30

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Solution

The fourth proportional to 7,784.03, 10,741.78 and 4,247.30 is: 5,861.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.03 : 10,741.78 = 4,247.30 : x
  2. Step 2: Convert to fraction form
    7,784.03/10,741.78 = 4,247.30/x
  3. Step 3: Cross multiply
    7,784.03x = 10,741.78 × 4,247.30
  4. Step 4: Simplify right side
    7,784.03x = 45,623,594.36
  5. Step 5: Solve for x
    x = 45,623,594.36/7,784.03
  6. Step 6: Final answer
    x = 5,861.18

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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.