Home / 8,637.42-11,919.15-4,860.75

Finding the Fourth Proportional to 8,637.42, 11,919.15 and 4,860.75

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Solution

The fourth proportional to 8,637.42, 11,919.15 and 4,860.75 is: 6,707.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.42 : 11,919.15 = 4,860.75 : x
  2. Step 2: Convert to fraction form
    8,637.42/11,919.15 = 4,860.75/x
  3. Step 3: Cross multiply
    8,637.42x = 11,919.15 × 4,860.75
  4. Step 4: Simplify right side
    8,637.42x = 57,936,008.36
  5. Step 5: Solve for x
    x = 57,936,008.36/8,637.42
  6. Step 6: Final answer
    x = 6,707.56

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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.