Home / 4,751.10-6,555.74-2,761.20

Finding the Fourth Proportional to 4,751.10, 6,555.74 and 2,761.20

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Solution

The fourth proportional to 4,751.10, 6,555.74 and 2,761.20 is: 3,810.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.10 : 6,555.74 = 2,761.20 : x
  2. Step 2: Convert to fraction form
    4,751.10/6,555.74 = 2,761.20/x
  3. Step 3: Cross multiply
    4,751.10x = 6,555.74 × 2,761.20
  4. Step 4: Simplify right side
    4,751.10x = 18,101,695.48
  5. Step 5: Solve for x
    x = 18,101,695.48/4,751.10
  6. Step 6: Final answer
    x = 3,810.00

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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.