Home / 7,828.16-10,806.55-4,845.94

Finding the Fourth Proportional to 7,828.16, 10,806.55 and 4,845.94

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Solution

The fourth proportional to 7,828.16, 10,806.55 and 4,845.94 is: 6,689.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.16 : 10,806.55 = 4,845.94 : x
  2. Step 2: Convert to fraction form
    7,828.16/10,806.55 = 4,845.94/x
  3. Step 3: Cross multiply
    7,828.16x = 10,806.55 × 4,845.94
  4. Step 4: Simplify right side
    7,828.16x = 52,367,853.78
  5. Step 5: Solve for x
    x = 52,367,853.78/7,828.16
  6. Step 6: Final answer
    x = 6,689.68

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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.