Home / 7,225.28-10,833.81-2,840.34

Finding the Fourth Proportional to 7,225.28, 10,833.81 and 2,840.34

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Solution

The fourth proportional to 7,225.28, 10,833.81 and 2,840.34 is: 4,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.28 : 10,833.81 = 2,840.34 : x
  2. Step 2: Convert to fraction form
    7,225.28/10,833.81 = 2,840.34/x
  3. Step 3: Cross multiply
    7,225.28x = 10,833.81 × 2,840.34
  4. Step 4: Simplify right side
    7,225.28x = 30,771,703.90
  5. Step 5: Solve for x
    x = 30,771,703.90/7,225.28
  6. Step 6: Final answer
    x = 4,258.90

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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.