Home / 6,638.32-9,957.93-2,478.25

Finding the Fourth Proportional to 6,638.32, 9,957.93 and 2,478.25

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Solution

The fourth proportional to 6,638.32, 9,957.93 and 2,478.25 is: 3,717.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638.32 : 9,957.93 = 2,478.25 : x
  2. Step 2: Convert to fraction form
    6,638.32/9,957.93 = 2,478.25/x
  3. Step 3: Cross multiply
    6,638.32x = 9,957.93 × 2,478.25
  4. Step 4: Simplify right side
    6,638.32x = 24,678,240.02
  5. Step 5: Solve for x
    x = 24,678,240.02/6,638.32
  6. Step 6: Final answer
    x = 3,717.54

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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.