Home / 4,639.36-6,402.64-2,543.62

Finding the Fourth Proportional to 4,639.36, 6,402.64 and 2,543.62

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Solution

The fourth proportional to 4,639.36, 6,402.64 and 2,543.62 is: 3,510.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.36 : 6,402.64 = 2,543.62 : x
  2. Step 2: Convert to fraction form
    4,639.36/6,402.64 = 2,543.62/x
  3. Step 3: Cross multiply
    4,639.36x = 6,402.64 × 2,543.62
  4. Step 4: Simplify right side
    4,639.36x = 16,285,883.16
  5. Step 5: Solve for x
    x = 16,285,883.16/4,639.36
  6. Step 6: Final answer
    x = 3,510.37

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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.