Home / 6,285.85-9,429.08-1,605.89

Finding the Fourth Proportional to 6,285.85, 9,429.08 and 1,605.89

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Solution

The fourth proportional to 6,285.85, 9,429.08 and 1,605.89 is: 2,408.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.85 : 9,429.08 = 1,605.89 : x
  2. Step 2: Convert to fraction form
    6,285.85/9,429.08 = 1,605.89/x
  3. Step 3: Cross multiply
    6,285.85x = 9,429.08 × 1,605.89
  4. Step 4: Simplify right side
    6,285.85x = 15,142,069.30
  5. Step 5: Solve for x
    x = 15,142,069.30/6,285.85
  6. Step 6: Final answer
    x = 2,408.92

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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.