Home / 5,156.01-7,115.29-2,917.84

Finding the Fourth Proportional to 5,156.01, 7,115.29 and 2,917.84

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Solution

The fourth proportional to 5,156.01, 7,115.29 and 2,917.84 is: 4,026.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156.01 : 7,115.29 = 2,917.84 : x
  2. Step 2: Convert to fraction form
    5,156.01/7,115.29 = 2,917.84/x
  3. Step 3: Cross multiply
    5,156.01x = 7,115.29 × 2,917.84
  4. Step 4: Simplify right side
    5,156.01x = 20,761,292.71
  5. Step 5: Solve for x
    x = 20,761,292.71/5,156.01
  6. Step 6: Final answer
    x = 4,026.62

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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.