Home / 4,077.52-5,626.86-2,309.28

Finding the Fourth Proportional to 4,077.52, 5,626.86 and 2,309.28

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Solution

The fourth proportional to 4,077.52, 5,626.86 and 2,309.28 is: 3,186.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.52 : 5,626.86 = 2,309.28 : x
  2. Step 2: Convert to fraction form
    4,077.52/5,626.86 = 2,309.28/x
  3. Step 3: Cross multiply
    4,077.52x = 5,626.86 × 2,309.28
  4. Step 4: Simplify right side
    4,077.52x = 12,993,995.26
  5. Step 5: Solve for x
    x = 12,993,995.26/4,077.52
  6. Step 6: Final answer
    x = 3,186.74

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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.