Home / 8,914.61-12,302.23-4,935.79

Finding the Fourth Proportional to 8,914.61, 12,302.23 and 4,935.79

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Solution

The fourth proportional to 8,914.61, 12,302.23 and 4,935.79 is: 6,811.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.61 : 12,302.23 = 4,935.79 : x
  2. Step 2: Convert to fraction form
    8,914.61/12,302.23 = 4,935.79/x
  3. Step 3: Cross multiply
    8,914.61x = 12,302.23 × 4,935.79
  4. Step 4: Simplify right side
    8,914.61x = 60,721,223.81
  5. Step 5: Solve for x
    x = 60,721,223.81/8,914.61
  6. Step 6: Final answer
    x = 6,811.43

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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.