Home / 8,637.35-11,919.81-4,860.43

Finding the Fourth Proportional to 8,637.35, 11,919.81 and 4,860.43

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Solution

The fourth proportional to 8,637.35, 11,919.81 and 4,860.43 is: 6,707.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.35 : 11,919.81 = 4,860.43 : x
  2. Step 2: Convert to fraction form
    8,637.35/11,919.81 = 4,860.43/x
  3. Step 3: Cross multiply
    8,637.35x = 11,919.81 × 4,860.43
  4. Step 4: Simplify right side
    8,637.35x = 57,935,402.12
  5. Step 5: Solve for x
    x = 57,935,402.12/8,637.35
  6. Step 6: Final answer
    x = 6,707.54

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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.