Home / 7,415.38-10,233.16-4,271.50

Finding the Fourth Proportional to 7,415.38, 10,233.16 and 4,271.50

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Solution

The fourth proportional to 7,415.38, 10,233.16 and 4,271.50 is: 5,894.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.38 : 10,233.16 = 4,271.50 : x
  2. Step 2: Convert to fraction form
    7,415.38/10,233.16 = 4,271.50/x
  3. Step 3: Cross multiply
    7,415.38x = 10,233.16 × 4,271.50
  4. Step 4: Simplify right side
    7,415.38x = 43,710,942.94
  5. Step 5: Solve for x
    x = 43,710,942.94/7,415.38
  6. Step 6: Final answer
    x = 5,894.63

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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.