Home / 7,100.28-9,798.39-3,956.58

Finding the Fourth Proportional to 7,100.28, 9,798.39 and 3,956.58

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Solution

The fourth proportional to 7,100.28, 9,798.39 and 3,956.58 is: 5,460.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.28 : 9,798.39 = 3,956.58 : x
  2. Step 2: Convert to fraction form
    7,100.28/9,798.39 = 3,956.58/x
  3. Step 3: Cross multiply
    7,100.28x = 9,798.39 × 3,956.58
  4. Step 4: Simplify right side
    7,100.28x = 38,768,113.91
  5. Step 5: Solve for x
    x = 38,768,113.91/7,100.28
  6. Step 6: Final answer
    x = 5,460.08

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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.