Home / 6,434.24-8,880.63-3,917.18

Finding the Fourth Proportional to 6,434.24, 8,880.63 and 3,917.18

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Solution

The fourth proportional to 6,434.24, 8,880.63 and 3,917.18 is: 5,406.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434.24 : 8,880.63 = 3,917.18 : x
  2. Step 2: Convert to fraction form
    6,434.24/8,880.63 = 3,917.18/x
  3. Step 3: Cross multiply
    6,434.24x = 8,880.63 × 3,917.18
  4. Step 4: Simplify right side
    6,434.24x = 34,786,962.23
  5. Step 5: Solve for x
    x = 34,786,962.23/6,434.24
  6. Step 6: Final answer
    x = 5,406.54

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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.