Home / 8,648.15-11,934.63-4,871.52

Finding the Fourth Proportional to 8,648.15, 11,934.63 and 4,871.52

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Solution

The fourth proportional to 8,648.15, 11,934.63 and 4,871.52 is: 6,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,648.15 : 11,934.63 = 4,871.52 : x
  2. Step 2: Convert to fraction form
    8,648.15/11,934.63 = 4,871.52/x
  3. Step 3: Cross multiply
    8,648.15x = 11,934.63 × 4,871.52
  4. Step 4: Simplify right side
    8,648.15x = 58,139,788.74
  5. Step 5: Solve for x
    x = 58,139,788.74/8,648.15
  6. Step 6: Final answer
    x = 6,722.80

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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.