Home / 6,433.08-8,875.36-3,914.40

Finding the Fourth Proportional to 6,433.08, 8,875.36 and 3,914.40

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Solution

The fourth proportional to 6,433.08, 8,875.36 and 3,914.40 is: 5,400.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,433.08 : 8,875.36 = 3,914.40 : x
  2. Step 2: Convert to fraction form
    6,433.08/8,875.36 = 3,914.40/x
  3. Step 3: Cross multiply
    6,433.08x = 8,875.36 × 3,914.40
  4. Step 4: Simplify right side
    6,433.08x = 34,741,709.18
  5. Step 5: Solve for x
    x = 34,741,709.18/6,433.08
  6. Step 6: Final answer
    x = 5,400.48

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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.