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Finding the Fourth Proportional to 4,681.94, 7,017.51 and 1,758.38

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Solution

The fourth proportional to 4,681.94, 7,017.51 and 1,758.38 is: 2,635.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.94 : 7,017.51 = 1,758.38 : x
  2. Step 2: Convert to fraction form
    4,681.94/7,017.51 = 1,758.38/x
  3. Step 3: Cross multiply
    4,681.94x = 7,017.51 × 1,758.38
  4. Step 4: Simplify right side
    4,681.94x = 12,339,449.23
  5. Step 5: Solve for x
    x = 12,339,449.23/4,681.94
  6. Step 6: Final answer
    x = 2,635.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.