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Finding the Fourth Proportional to 6,505.26, 8,977.26 and 3,521.10

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Solution

The fourth proportional to 6,505.26, 8,977.26 and 3,521.10 is: 4,859.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.26 : 8,977.26 = 3,521.10 : x
  2. Step 2: Convert to fraction form
    6,505.26/8,977.26 = 3,521.10/x
  3. Step 3: Cross multiply
    6,505.26x = 8,977.26 × 3,521.10
  4. Step 4: Simplify right side
    6,505.26x = 31,609,830.19
  5. Step 5: Solve for x
    x = 31,609,830.19/6,505.26
  6. Step 6: Final answer
    x = 4,859.12

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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.