Home / 8,286.93-11,434.95-4,929.89

Finding the Fourth Proportional to 8,286.93, 11,434.95 and 4,929.89

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Solution

The fourth proportional to 8,286.93, 11,434.95 and 4,929.89 is: 6,802.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.93 : 11,434.95 = 4,929.89 : x
  2. Step 2: Convert to fraction form
    8,286.93/11,434.95 = 4,929.89/x
  3. Step 3: Cross multiply
    8,286.93x = 11,434.95 × 4,929.89
  4. Step 4: Simplify right side
    8,286.93x = 56,372,988.48
  5. Step 5: Solve for x
    x = 56,372,988.48/8,286.93
  6. Step 6: Final answer
    x = 6,802.64

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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.