Home / 6,313.78-9,470.69-1,931.58

Finding the Fourth Proportional to 6,313.78, 9,470.69 and 1,931.58

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Solution

The fourth proportional to 6,313.78, 9,470.69 and 1,931.58 is: 2,897.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313.78 : 9,470.69 = 1,931.58 : x
  2. Step 2: Convert to fraction form
    6,313.78/9,470.69 = 1,931.58/x
  3. Step 3: Cross multiply
    6,313.78x = 9,470.69 × 1,931.58
  4. Step 4: Simplify right side
    6,313.78x = 18,293,392.98
  5. Step 5: Solve for x
    x = 18,293,392.98/6,313.78
  6. Step 6: Final answer
    x = 2,897.38

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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.