Home / 4,681.28-7,021.92-1,907.30

Finding the Fourth Proportional to 4,681.28, 7,021.92 and 1,907.30

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Solution

The fourth proportional to 4,681.28, 7,021.92 and 1,907.30 is: 2,860.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.28 : 7,021.92 = 1,907.30 : x
  2. Step 2: Convert to fraction form
    4,681.28/7,021.92 = 1,907.30/x
  3. Step 3: Cross multiply
    4,681.28x = 7,021.92 × 1,907.30
  4. Step 4: Simplify right side
    4,681.28x = 13,392,908.02
  5. Step 5: Solve for x
    x = 13,392,908.02/4,681.28
  6. Step 6: Final answer
    x = 2,860.95

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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.