Home / 5,008.42-6,913.75-3,120.93

Finding the Fourth Proportional to 5,008.42, 6,913.75 and 3,120.93

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Solution

The fourth proportional to 5,008.42, 6,913.75 and 3,120.93 is: 4,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.42 : 6,913.75 = 3,120.93 : x
  2. Step 2: Convert to fraction form
    5,008.42/6,913.75 = 3,120.93/x
  3. Step 3: Cross multiply
    5,008.42x = 6,913.75 × 3,120.93
  4. Step 4: Simplify right side
    5,008.42x = 21,577,348.23
  5. Step 5: Solve for x
    x = 21,577,348.23/5,008.42
  6. Step 6: Final answer
    x = 4,308.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.