Home / 8,485.41-11,709.69-4,657.14

Finding the Fourth Proportional to 8,485.41, 11,709.69 and 4,657.14

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Solution

The fourth proportional to 8,485.41, 11,709.69 and 4,657.14 is: 6,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.41 : 11,709.69 = 4,657.14 : x
  2. Step 2: Convert to fraction form
    8,485.41/11,709.69 = 4,657.14/x
  3. Step 3: Cross multiply
    8,485.41x = 11,709.69 × 4,657.14
  4. Step 4: Simplify right side
    8,485.41x = 54,533,665.69
  5. Step 5: Solve for x
    x = 54,533,665.69/8,485.41
  6. Step 6: Final answer
    x = 6,426.76

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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.