Home / 5,022.50-6,931.06-2,814.50

Finding the Fourth Proportional to 5,022.50, 6,931.06 and 2,814.50

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Solution

The fourth proportional to 5,022.50, 6,931.06 and 2,814.50 is: 3,884.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.50 : 6,931.06 = 2,814.50 : x
  2. Step 2: Convert to fraction form
    5,022.50/6,931.06 = 2,814.50/x
  3. Step 3: Cross multiply
    5,022.50x = 6,931.06 × 2,814.50
  4. Step 4: Simplify right side
    5,022.50x = 19,507,468.37
  5. Step 5: Solve for x
    x = 19,507,468.37/5,022.50
  6. Step 6: Final answer
    x = 3,884.02

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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.