Home / 4,587.32-6,880.98-2,638.28

Finding the Fourth Proportional to 4,587.32, 6,880.98 and 2,638.28

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Solution

The fourth proportional to 4,587.32, 6,880.98 and 2,638.28 is: 3,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,587.32 : 6,880.98 = 2,638.28 : x
  2. Step 2: Convert to fraction form
    4,587.32/6,880.98 = 2,638.28/x
  3. Step 3: Cross multiply
    4,587.32x = 6,880.98 × 2,638.28
  4. Step 4: Simplify right side
    4,587.32x = 18,153,951.91
  5. Step 5: Solve for x
    x = 18,153,951.91/4,587.32
  6. Step 6: Final answer
    x = 3,957.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.