Home / 7,840.30-10,819.60-4,303.54

Finding the Fourth Proportional to 7,840.30, 10,819.60 and 4,303.54

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Solution

The fourth proportional to 7,840.30, 10,819.60 and 4,303.54 is: 5,938.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.30 : 10,819.60 = 4,303.54 : x
  2. Step 2: Convert to fraction form
    7,840.30/10,819.60 = 4,303.54/x
  3. Step 3: Cross multiply
    7,840.30x = 10,819.60 × 4,303.54
  4. Step 4: Simplify right side
    7,840.30x = 46,562,581.38
  5. Step 5: Solve for x
    x = 46,562,581.38/7,840.30
  6. Step 6: Final answer
    x = 5,938.88

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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.