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Finding the Fourth Proportional to 5,070.50, 6,997.29 and 2,862.50

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Solution

The fourth proportional to 5,070.50, 6,997.29 and 2,862.50 is: 3,950.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.50 : 6,997.29 = 2,862.50 : x
  2. Step 2: Convert to fraction form
    5,070.50/6,997.29 = 2,862.50/x
  3. Step 3: Cross multiply
    5,070.50x = 6,997.29 × 2,862.50
  4. Step 4: Simplify right side
    5,070.50x = 20,029,742.63
  5. Step 5: Solve for x
    x = 20,029,742.63/5,070.50
  6. Step 6: Final answer
    x = 3,950.25

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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.