Home / 8,521.90-11,759.38-4,984.42

Finding the Fourth Proportional to 8,521.90, 11,759.38 and 4,984.42

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Solution

The fourth proportional to 8,521.90, 11,759.38 and 4,984.42 is: 6,878.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.90 : 11,759.38 = 4,984.42 : x
  2. Step 2: Convert to fraction form
    8,521.90/11,759.38 = 4,984.42/x
  3. Step 3: Cross multiply
    8,521.90x = 11,759.38 × 4,984.42
  4. Step 4: Simplify right side
    8,521.90x = 58,613,605.14
  5. Step 5: Solve for x
    x = 58,613,605.14/8,521.90
  6. Step 6: Final answer
    x = 6,878.00

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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.