Home / 6,434.48-8,881.08-3,640.88

Finding the Fourth Proportional to 6,434.48, 8,881.08 and 3,640.88

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Solution

The fourth proportional to 6,434.48, 8,881.08 and 3,640.88 is: 5,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434.48 : 8,881.08 = 3,640.88 : x
  2. Step 2: Convert to fraction form
    6,434.48/8,881.08 = 3,640.88/x
  3. Step 3: Cross multiply
    6,434.48x = 8,881.08 × 3,640.88
  4. Step 4: Simplify right side
    6,434.48x = 32,334,946.55
  5. Step 5: Solve for x
    x = 32,334,946.55/6,434.48
  6. Step 6: Final answer
    x = 5,025.26

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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.