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Finding the Fourth Proportional to 6,509.69, 8,983.38 and 3,525.55

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Solution

The fourth proportional to 6,509.69, 8,983.38 and 3,525.55 is: 4,865.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,509.69 : 8,983.38 = 3,525.55 : x
  2. Step 2: Convert to fraction form
    6,509.69/8,983.38 = 3,525.55/x
  3. Step 3: Cross multiply
    6,509.69x = 8,983.38 × 3,525.55
  4. Step 4: Simplify right side
    6,509.69x = 31,671,379.81
  5. Step 5: Solve for x
    x = 31,671,379.81/6,509.69
  6. Step 6: Final answer
    x = 4,865.27

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Double scale
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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.