Home / 5,439.63-7,506.73-2,955.63

Finding the Fourth Proportional to 5,439.63, 7,506.73 and 2,955.63

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Solution

The fourth proportional to 5,439.63, 7,506.73 and 2,955.63 is: 4,078.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.63 : 7,506.73 = 2,955.63 : x
  2. Step 2: Convert to fraction form
    5,439.63/7,506.73 = 2,955.63/x
  3. Step 3: Cross multiply
    5,439.63x = 7,506.73 × 2,955.63
  4. Step 4: Simplify right side
    5,439.63x = 22,187,071.47
  5. Step 5: Solve for x
    x = 22,187,071.47/5,439.63
  6. Step 6: Final answer
    x = 4,078.79

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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.