Home / 4,881.30-7,328.70-3,137.10

Finding the Fourth Proportional to 4,881.30, 7,328.70 and 3,137.10

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Solution

The fourth proportional to 4,881.30, 7,328.70 and 3,137.10 is: 4,709.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.30 : 7,328.70 = 3,137.10 : x
  2. Step 2: Convert to fraction form
    4,881.30/7,328.70 = 3,137.10/x
  3. Step 3: Cross multiply
    4,881.30x = 7,328.70 × 3,137.10
  4. Step 4: Simplify right side
    4,881.30x = 22,990,864.77
  5. Step 5: Solve for x
    x = 22,990,864.77/4,881.30
  6. Step 6: Final answer
    x = 4,709.99

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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.