Home / 6,842.40-10,273.20-5,383.20

Finding the Fourth Proportional to 6,842.40, 10,273.20 and 5,383.20

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Solution

The fourth proportional to 6,842.40, 10,273.20 and 5,383.20 is: 8,082.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,842.40 : 10,273.20 = 5,383.20 : x
  2. Step 2: Convert to fraction form
    6,842.40/10,273.20 = 5,383.20/x
  3. Step 3: Cross multiply
    6,842.40x = 10,273.20 × 5,383.20
  4. Step 4: Simplify right side
    6,842.40x = 55,302,690.24
  5. Step 5: Solve for x
    x = 55,302,690.24/6,842.40
  6. Step 6: Final answer
    x = 8,082.35

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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.