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Finding the Fourth Proportional to 6,532.51, 9,015.02 and 3,879.93

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Solution

The fourth proportional to 6,532.51, 9,015.02 and 3,879.93 is: 5,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,532.51 : 9,015.02 = 3,879.93 : x
  2. Step 2: Convert to fraction form
    6,532.51/9,015.02 = 3,879.93/x
  3. Step 3: Cross multiply
    6,532.51x = 9,015.02 × 3,879.93
  4. Step 4: Simplify right side
    6,532.51x = 34,977,646.55
  5. Step 5: Solve for x
    x = 34,977,646.55/6,532.51
  6. Step 6: Final answer
    x = 5,354.40

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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.