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Finding the Fourth Proportional to 5,000.70, 6,901.26 and 2,876.91

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Solution

The fourth proportional to 5,000.70, 6,901.26 and 2,876.91 is: 3,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.70 : 6,901.26 = 2,876.91 : x
  2. Step 2: Convert to fraction form
    5,000.70/6,901.26 = 2,876.91/x
  3. Step 3: Cross multiply
    5,000.70x = 6,901.26 × 2,876.91
  4. Step 4: Simplify right side
    5,000.70x = 19,854,303.91
  5. Step 5: Solve for x
    x = 19,854,303.91/5,000.70
  6. Step 6: Final answer
    x = 3,970.30

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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.