Home / 8,941.19-12,339.24-6,289.45

Finding the Fourth Proportional to 8,941.19, 12,339.24 and 6,289.45

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Solution

The fourth proportional to 8,941.19, 12,339.24 and 6,289.45 is: 8,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.19 : 12,339.24 = 6,289.45 : x
  2. Step 2: Convert to fraction form
    8,941.19/12,339.24 = 6,289.45/x
  3. Step 3: Cross multiply
    8,941.19x = 12,339.24 × 6,289.45
  4. Step 4: Simplify right side
    8,941.19x = 77,606,978.58
  5. Step 5: Solve for x
    x = 77,606,978.58/8,941.19
  6. Step 6: Final answer
    x = 8,679.72

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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.