Home / 8,914.88-12,302.60-4,935.91

Finding the Fourth Proportional to 8,914.88, 12,302.60 and 4,935.91

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Solution

The fourth proportional to 8,914.88, 12,302.60 and 4,935.91 is: 6,811.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.88 : 12,302.60 = 4,935.91 : x
  2. Step 2: Convert to fraction form
    8,914.88/12,302.60 = 4,935.91/x
  3. Step 3: Cross multiply
    8,914.88x = 12,302.60 × 4,935.91
  4. Step 4: Simplify right side
    8,914.88x = 60,724,526.37
  5. Step 5: Solve for x
    x = 60,724,526.37/8,914.88
  6. Step 6: Final answer
    x = 6,811.59

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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.