Home / 6,973.05-10,447.28-3,678.89

Finding the Fourth Proportional to 6,973.05, 10,447.28 and 3,678.89

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Solution

The fourth proportional to 6,973.05, 10,447.28 and 3,678.89 is: 5,511.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,973.05 : 10,447.28 = 3,678.89 : x
  2. Step 2: Convert to fraction form
    6,973.05/10,447.28 = 3,678.89/x
  3. Step 3: Cross multiply
    6,973.05x = 10,447.28 × 3,678.89
  4. Step 4: Simplify right side
    6,973.05x = 38,434,337.08
  5. Step 5: Solve for x
    x = 38,434,337.08/6,973.05
  6. Step 6: Final answer
    x = 5,511.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.