Home / 4,890.08-7,334.26-1,426.52

Finding the Fourth Proportional to 4,890.08, 7,334.26 and 1,426.52

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Solution

The fourth proportional to 4,890.08, 7,334.26 and 1,426.52 is: 2,139.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.08 : 7,334.26 = 1,426.52 : x
  2. Step 2: Convert to fraction form
    4,890.08/7,334.26 = 1,426.52/x
  3. Step 3: Cross multiply
    4,890.08x = 7,334.26 × 1,426.52
  4. Step 4: Simplify right side
    4,890.08x = 10,462,468.58
  5. Step 5: Solve for x
    x = 10,462,468.58/4,890.08
  6. Step 6: Final answer
    x = 2,139.53

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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.