Home / 7,830.63-10,806.59-4,293.97

Finding the Fourth Proportional to 7,830.63, 10,806.59 and 4,293.97

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Solution

The fourth proportional to 7,830.63, 10,806.59 and 4,293.97 is: 5,925.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830.63 : 10,806.59 = 4,293.97 : x
  2. Step 2: Convert to fraction form
    7,830.63/10,806.59 = 4,293.97/x
  3. Step 3: Cross multiply
    7,830.63x = 10,806.59 × 4,293.97
  4. Step 4: Simplify right side
    7,830.63x = 46,403,156.98
  5. Step 5: Solve for x
    x = 46,403,156.98/7,830.63
  6. Step 6: Final answer
    x = 5,925.85

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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.