Home / 6,409.31-8,848.85-4,914.35

Finding the Fourth Proportional to 6,409.31, 8,848.85 and 4,914.35

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Solution

The fourth proportional to 6,409.31, 8,848.85 and 4,914.35 is: 6,784.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409.31 : 8,848.85 = 4,914.35 : x
  2. Step 2: Convert to fraction form
    6,409.31/8,848.85 = 4,914.35/x
  3. Step 3: Cross multiply
    6,409.31x = 8,848.85 × 4,914.35
  4. Step 4: Simplify right side
    6,409.31x = 43,486,310.36
  5. Step 5: Solve for x
    x = 43,486,310.36/6,409.31
  6. Step 6: Final answer
    x = 6,784.87

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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.