Home / 5,261.63-7,261.14-2,903.72

Finding the Fourth Proportional to 5,261.63, 7,261.14 and 2,903.72

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Solution

The fourth proportional to 5,261.63, 7,261.14 and 2,903.72 is: 4,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.63 : 7,261.14 = 2,903.72 : x
  2. Step 2: Convert to fraction form
    5,261.63/7,261.14 = 2,903.72/x
  3. Step 3: Cross multiply
    5,261.63x = 7,261.14 × 2,903.72
  4. Step 4: Simplify right side
    5,261.63x = 21,084,292.02
  5. Step 5: Solve for x
    x = 21,084,292.02/5,261.63
  6. Step 6: Final answer
    x = 4,007.18

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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.