Home / 6,637.86-9,946.36-3,127.04

Finding the Fourth Proportional to 6,637.86, 9,946.36 and 3,127.04

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Solution

The fourth proportional to 6,637.86, 9,946.36 and 3,127.04 is: 4,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.86 : 9,946.36 = 3,127.04 : x
  2. Step 2: Convert to fraction form
    6,637.86/9,946.36 = 3,127.04/x
  3. Step 3: Cross multiply
    6,637.86x = 9,946.36 × 3,127.04
  4. Step 4: Simplify right side
    6,637.86x = 31,102,657.05
  5. Step 5: Solve for x
    x = 31,102,657.05/6,637.86
  6. Step 6: Final answer
    x = 4,685.65

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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.