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Finding the Fourth Proportional to 7,795.63, 10,758.18 and 4,653.64

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Solution

The fourth proportional to 7,795.63, 10,758.18 and 4,653.64 is: 6,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,795.63 : 10,758.18 = 4,653.64 : x
  2. Step 2: Convert to fraction form
    7,795.63/10,758.18 = 4,653.64/x
  3. Step 3: Cross multiply
    7,795.63x = 10,758.18 × 4,653.64
  4. Step 4: Simplify right side
    7,795.63x = 50,064,696.78
  5. Step 5: Solve for x
    x = 50,064,696.78/7,795.63
  6. Step 6: Final answer
    x = 6,422.15

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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.