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Finding the Fourth Proportional to 6,572.75, 9,059.54 and 4,659.19

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Solution

The fourth proportional to 6,572.75, 9,059.54 and 4,659.19 is: 6,421.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,572.75 : 9,059.54 = 4,659.19 : x
  2. Step 2: Convert to fraction form
    6,572.75/9,059.54 = 4,659.19/x
  3. Step 3: Cross multiply
    6,572.75x = 9,059.54 × 4,659.19
  4. Step 4: Simplify right side
    6,572.75x = 42,210,072.23
  5. Step 5: Solve for x
    x = 42,210,072.23/6,572.75
  6. Step 6: Final answer
    x = 6,421.99

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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.