Home / 7,840.29-10,819.73-4,303.83

Finding the Fourth Proportional to 7,840.29, 10,819.73 and 4,303.83

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Solution

The fourth proportional to 7,840.29, 10,819.73 and 4,303.83 is: 5,939.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.29 : 10,819.73 = 4,303.83 : x
  2. Step 2: Convert to fraction form
    7,840.29/10,819.73 = 4,303.83/x
  3. Step 3: Cross multiply
    7,840.29x = 10,819.73 × 4,303.83
  4. Step 4: Simplify right side
    7,840.29x = 46,566,278.57
  5. Step 5: Solve for x
    x = 46,566,278.57/7,840.29
  6. Step 6: Final answer
    x = 5,939.36

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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.