Home / 4,685.68-7,031.64-3,127.44

Finding the Fourth Proportional to 4,685.68, 7,031.64 and 3,127.44

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Solution

The fourth proportional to 4,685.68, 7,031.64 and 3,127.44 is: 4,693.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.68 : 7,031.64 = 3,127.44 : x
  2. Step 2: Convert to fraction form
    4,685.68/7,031.64 = 3,127.44/x
  3. Step 3: Cross multiply
    4,685.68x = 7,031.64 × 3,127.44
  4. Step 4: Simplify right side
    4,685.68x = 21,991,032.20
  5. Step 5: Solve for x
    x = 21,991,032.20/4,685.68
  6. Step 6: Final answer
    x = 4,693.24

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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.