Home / 4,861.77-7,292.09-1,398.75

Finding the Fourth Proportional to 4,861.77, 7,292.09 and 1,398.75

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Solution

The fourth proportional to 4,861.77, 7,292.09 and 1,398.75 is: 2,097.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.77 : 7,292.09 = 1,398.75 : x
  2. Step 2: Convert to fraction form
    4,861.77/7,292.09 = 1,398.75/x
  3. Step 3: Cross multiply
    4,861.77x = 7,292.09 × 1,398.75
  4. Step 4: Simplify right side
    4,861.77x = 10,199,803.89
  5. Step 5: Solve for x
    x = 10,199,803.89/4,861.77
  6. Step 6: Final answer
    x = 2,097.96

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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.