Home / 7,927.45-10,940.31-4,390.69

Finding the Fourth Proportional to 7,927.45, 10,940.31 and 4,390.69

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Solution

The fourth proportional to 7,927.45, 10,940.31 and 4,390.69 is: 6,059.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.45 : 10,940.31 = 4,390.69 : x
  2. Step 2: Convert to fraction form
    7,927.45/10,940.31 = 4,390.69/x
  3. Step 3: Cross multiply
    7,927.45x = 10,940.31 × 4,390.69
  4. Step 4: Simplify right side
    7,927.45x = 48,035,509.71
  5. Step 5: Solve for x
    x = 48,035,509.71/7,927.45
  6. Step 6: Final answer
    x = 6,059.39

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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.