Home / 6,505.51-8,977.62-3,521.38

Finding the Fourth Proportional to 6,505.51, 8,977.62 and 3,521.38

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Solution

The fourth proportional to 6,505.51, 8,977.62 and 3,521.38 is: 4,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.51 : 8,977.62 = 3,521.38 : x
  2. Step 2: Convert to fraction form
    6,505.51/8,977.62 = 3,521.38/x
  3. Step 3: Cross multiply
    6,505.51x = 8,977.62 × 3,521.38
  4. Step 4: Simplify right side
    6,505.51x = 31,613,566.63
  5. Step 5: Solve for x
    x = 31,613,566.63/6,505.51
  6. Step 6: Final answer
    x = 4,859.51

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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.