Home / 4,869.48-7,301.34-1,908.12

Finding the Fourth Proportional to 4,869.48, 7,301.34 and 1,908.12

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Solution

The fourth proportional to 4,869.48, 7,301.34 and 1,908.12 is: 2,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.48 : 7,301.34 = 1,908.12 : x
  2. Step 2: Convert to fraction form
    4,869.48/7,301.34 = 1,908.12/x
  3. Step 3: Cross multiply
    4,869.48x = 7,301.34 × 1,908.12
  4. Step 4: Simplify right side
    4,869.48x = 13,931,832.88
  5. Step 5: Solve for x
    x = 13,931,832.88/4,869.48
  6. Step 6: Final answer
    x = 2,861.05

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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.