Home / 7,415.45-10,235.91-4,584.99

Finding the Fourth Proportional to 7,415.45, 10,235.91 and 4,584.99

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Solution

The fourth proportional to 7,415.45, 10,235.91 and 4,584.99 is: 6,328.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.45 : 10,235.91 = 4,584.99 : x
  2. Step 2: Convert to fraction form
    7,415.45/10,235.91 = 4,584.99/x
  3. Step 3: Cross multiply
    7,415.45x = 10,235.91 × 4,584.99
  4. Step 4: Simplify right side
    7,415.45x = 46,931,544.99
  5. Step 5: Solve for x
    x = 46,931,544.99/7,415.45
  6. Step 6: Final answer
    x = 6,328.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.