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Finding the Fourth Proportional to 8,572.19, 11,829.56 and 4,795.34

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Solution

The fourth proportional to 8,572.19, 11,829.56 and 4,795.34 is: 6,617.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.19 : 11,829.56 = 4,795.34 : x
  2. Step 2: Convert to fraction form
    8,572.19/11,829.56 = 4,795.34/x
  3. Step 3: Cross multiply
    8,572.19x = 11,829.56 × 4,795.34
  4. Step 4: Simplify right side
    8,572.19x = 56,726,715.09
  5. Step 5: Solve for x
    x = 56,726,715.09/8,572.19
  6. Step 6: Final answer
    x = 6,617.53

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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.