Home / 4,087.17-6,129.30-2,110.70

Finding the Fourth Proportional to 4,087.17, 6,129.30 and 2,110.70

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Solution

The fourth proportional to 4,087.17, 6,129.30 and 2,110.70 is: 3,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.17 : 6,129.30 = 2,110.70 : x
  2. Step 2: Convert to fraction form
    4,087.17/6,129.30 = 2,110.70/x
  3. Step 3: Cross multiply
    4,087.17x = 6,129.30 × 2,110.70
  4. Step 4: Simplify right side
    4,087.17x = 12,937,113.51
  5. Step 5: Solve for x
    x = 12,937,113.51/4,087.17
  6. Step 6: Final answer
    x = 3,165.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.