Home / 4,685.92-7,014.24-3,127.20

Finding the Fourth Proportional to 4,685.92, 7,014.24 and 3,127.20

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Solution

The fourth proportional to 4,685.92, 7,014.24 and 3,127.20 is: 4,681.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.92 : 7,014.24 = 3,127.20 : x
  2. Step 2: Convert to fraction form
    4,685.92/7,014.24 = 3,127.20/x
  3. Step 3: Cross multiply
    4,685.92x = 7,014.24 × 3,127.20
  4. Step 4: Simplify right side
    4,685.92x = 21,934,931.33
  5. Step 5: Solve for x
    x = 21,934,931.33/4,685.92
  6. Step 6: Final answer
    x = 4,681.03

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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.