Home / 6,415.12-9,613.70-4,853.85

Finding the Fourth Proportional to 6,415.12, 9,613.70 and 4,853.85

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Solution

The fourth proportional to 6,415.12, 9,613.70 and 4,853.85 is: 7,273.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415.12 : 9,613.70 = 4,853.85 : x
  2. Step 2: Convert to fraction form
    6,415.12/9,613.70 = 4,853.85/x
  3. Step 3: Cross multiply
    6,415.12x = 9,613.70 × 4,853.85
  4. Step 4: Simplify right side
    6,415.12x = 46,663,457.75
  5. Step 5: Solve for x
    x = 46,663,457.75/6,415.12
  6. Step 6: Final answer
    x = 7,273.98

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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.