Home / 7,840.45-10,819.24-4,302.96

Finding the Fourth Proportional to 7,840.45, 10,819.24 and 4,302.96

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Solution

The fourth proportional to 7,840.45, 10,819.24 and 4,302.96 is: 5,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.45 : 10,819.24 = 4,302.96 : x
  2. Step 2: Convert to fraction form
    7,840.45/10,819.24 = 4,302.96/x
  3. Step 3: Cross multiply
    7,840.45x = 10,819.24 × 4,302.96
  4. Step 4: Simplify right side
    7,840.45x = 46,554,756.95
  5. Step 5: Solve for x
    x = 46,554,756.95/7,840.45
  6. Step 6: Final answer
    x = 5,937.77

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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.