Home / 7,840.13-10,819.37-4,303.56

Finding the Fourth Proportional to 7,840.13, 10,819.37 and 4,303.56

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Solution

The fourth proportional to 7,840.13, 10,819.37 and 4,303.56 is: 5,938.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.13 : 10,819.37 = 4,303.56 : x
  2. Step 2: Convert to fraction form
    7,840.13/10,819.37 = 4,303.56/x
  3. Step 3: Cross multiply
    7,840.13x = 10,819.37 × 4,303.56
  4. Step 4: Simplify right side
    7,840.13x = 46,561,859.29
  5. Step 5: Solve for x
    x = 46,561,859.29/7,840.13
  6. Step 6: Final answer
    x = 5,938.92

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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.