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Finding the Fourth Proportional to 6,434.87, 8,880.04 and 3,602.19

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Solution

The fourth proportional to 6,434.87, 8,880.04 and 3,602.19 is: 4,970.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434.87 : 8,880.04 = 3,602.19 : x
  2. Step 2: Convert to fraction form
    6,434.87/8,880.04 = 3,602.19/x
  3. Step 3: Cross multiply
    6,434.87x = 8,880.04 × 3,602.19
  4. Step 4: Simplify right side
    6,434.87x = 31,987,629.09
  5. Step 5: Solve for x
    x = 31,987,629.09/6,434.87
  6. Step 6: Final answer
    x = 4,970.99

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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.