Home / 5,383.63-7,426.37-3,390.76

Finding the Fourth Proportional to 5,383.63, 7,426.37 and 3,390.76

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Solution

The fourth proportional to 5,383.63, 7,426.37 and 3,390.76 is: 4,677.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.63 : 7,426.37 = 3,390.76 : x
  2. Step 2: Convert to fraction form
    5,383.63/7,426.37 = 3,390.76/x
  3. Step 3: Cross multiply
    5,383.63x = 7,426.37 × 3,390.76
  4. Step 4: Simplify right side
    5,383.63x = 25,181,038.34
  5. Step 5: Solve for x
    x = 25,181,038.34/5,383.63
  6. Step 6: Final answer
    x = 4,677.33

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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.