Home / 4,240.10-5,847.24-2,980.76

Finding the Fourth Proportional to 4,240.10, 5,847.24 and 2,980.76

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Solution

The fourth proportional to 4,240.10, 5,847.24 and 2,980.76 is: 4,110.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.10 : 5,847.24 = 2,980.76 : x
  2. Step 2: Convert to fraction form
    4,240.10/5,847.24 = 2,980.76/x
  3. Step 3: Cross multiply
    4,240.10x = 5,847.24 × 2,980.76
  4. Step 4: Simplify right side
    4,240.10x = 17,429,219.10
  5. Step 5: Solve for x
    x = 17,429,219.10/4,240.10
  6. Step 6: Final answer
    x = 4,110.57

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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.