Home / 8,637.85-11,920.50-4,860.93

Finding the Fourth Proportional to 8,637.85, 11,920.50 and 4,860.93

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Solution

The fourth proportional to 8,637.85, 11,920.50 and 4,860.93 is: 6,708.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.85 : 11,920.50 = 4,860.93 : x
  2. Step 2: Convert to fraction form
    8,637.85/11,920.50 = 4,860.93/x
  3. Step 3: Cross multiply
    8,637.85x = 11,920.50 × 4,860.93
  4. Step 4: Simplify right side
    8,637.85x = 57,944,716.07
  5. Step 5: Solve for x
    x = 57,944,716.07/8,637.85
  6. Step 6: Final answer
    x = 6,708.23

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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.