Home / 8,045.36-11,102.09-4,688.04

Finding the Fourth Proportional to 8,045.36, 11,102.09 and 4,688.04

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Solution

The fourth proportional to 8,045.36, 11,102.09 and 4,688.04 is: 6,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.36 : 11,102.09 = 4,688.04 : x
  2. Step 2: Convert to fraction form
    8,045.36/11,102.09 = 4,688.04/x
  3. Step 3: Cross multiply
    8,045.36x = 11,102.09 × 4,688.04
  4. Step 4: Simplify right side
    8,045.36x = 52,047,018.56
  5. Step 5: Solve for x
    x = 52,047,018.56/8,045.36
  6. Step 6: Final answer
    x = 6,469.20

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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.