Home / 7,357.21-10,145.99-4,700

Finding the Fourth Proportional to 7,357.21, 10,145.99 and 4,700

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Solution

The fourth proportional to 7,357.21, 10,145.99 and 4,700 is: 6,481.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,357.21 : 10,145.99 = 4,700 : x
  2. Step 2: Convert to fraction form
    7,357.21/10,145.99 = 4,700/x
  3. Step 3: Cross multiply
    7,357.21x = 10,145.99 × 4,700
  4. Step 4: Simplify right side
    7,357.21x = 47,686,129.50
  5. Step 5: Solve for x
    x = 47,686,129.50/7,357.21
  6. Step 6: Final answer
    x = 6,481.56

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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.