Home / 5,261.56-7,261.02-2,903.68

Finding the Fourth Proportional to 5,261.56, 7,261.02 and 2,903.68

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Solution

The fourth proportional to 5,261.56, 7,261.02 and 2,903.68 is: 4,007.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.56 : 7,261.02 = 2,903.68 : x
  2. Step 2: Convert to fraction form
    5,261.56/7,261.02 = 2,903.68/x
  3. Step 3: Cross multiply
    5,261.56x = 7,261.02 × 2,903.68
  4. Step 4: Simplify right side
    5,261.56x = 21,083,678.55
  5. Step 5: Solve for x
    x = 21,083,678.55/5,261.56
  6. Step 6: Final answer
    x = 4,007.12

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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.