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Finding the Fourth Proportional to 7,407.01, 11,119.20 and 5,848.05

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Solution

The fourth proportional to 7,407.01, 11,119.20 and 5,848.05 is: 8,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.01 : 11,119.20 = 5,848.05 : x
  2. Step 2: Convert to fraction form
    7,407.01/11,119.20 = 5,848.05/x
  3. Step 3: Cross multiply
    7,407.01x = 11,119.20 × 5,848.05
  4. Step 4: Simplify right side
    7,407.01x = 65,025,637.56
  5. Step 5: Solve for x
    x = 65,025,637.56/7,407.01
  6. Step 6: Final answer
    x = 8,778.93

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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.