Home / 5,000.24-6,900.74-2,876.45

Finding the Fourth Proportional to 5,000.24, 6,900.74 and 2,876.45

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Solution

The fourth proportional to 5,000.24, 6,900.74 and 2,876.45 is: 3,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.24 : 6,900.74 = 2,876.45 : x
  2. Step 2: Convert to fraction form
    5,000.24/6,900.74 = 2,876.45/x
  3. Step 3: Cross multiply
    5,000.24x = 6,900.74 × 2,876.45
  4. Step 4: Simplify right side
    5,000.24x = 19,849,584.69
  5. Step 5: Solve for x
    x = 19,849,584.69/5,000.24
  6. Step 6: Final answer
    x = 3,969.73

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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.