Home / 4,826.90-7,235.73-1,538.18

Finding the Fourth Proportional to 4,826.90, 7,235.73 and 1,538.18

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Solution

The fourth proportional to 4,826.90, 7,235.73 and 1,538.18 is: 2,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,826.90 : 7,235.73 = 1,538.18 : x
  2. Step 2: Convert to fraction form
    4,826.90/7,235.73 = 1,538.18/x
  3. Step 3: Cross multiply
    4,826.90x = 7,235.73 × 1,538.18
  4. Step 4: Simplify right side
    4,826.90x = 11,129,855.17
  5. Step 5: Solve for x
    x = 11,129,855.17/4,826.90
  6. Step 6: Final answer
    x = 2,305.80

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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.