Home / 4,638.08-6,918.40-4,200.32

Finding the Fourth Proportional to 4,638.08, 6,918.40 and 4,200.32

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Solution

The fourth proportional to 4,638.08, 6,918.40 and 4,200.32 is: 6,265.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.08 : 6,918.40 = 4,200.32 : x
  2. Step 2: Convert to fraction form
    4,638.08/6,918.40 = 4,200.32/x
  3. Step 3: Cross multiply
    4,638.08x = 6,918.40 × 4,200.32
  4. Step 4: Simplify right side
    4,638.08x = 29,059,493.89
  5. Step 5: Solve for x
    x = 29,059,493.89/4,638.08
  6. Step 6: Final answer
    x = 6,265.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.