Home / 7,261.13-10,018.81-4,275.87

Finding the Fourth Proportional to 7,261.13, 10,018.81 and 4,275.87

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Solution

The fourth proportional to 7,261.13, 10,018.81 and 4,275.87 is: 5,899.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.13 : 10,018.81 = 4,275.87 : x
  2. Step 2: Convert to fraction form
    7,261.13/10,018.81 = 4,275.87/x
  3. Step 3: Cross multiply
    7,261.13x = 10,018.81 × 4,275.87
  4. Step 4: Simplify right side
    7,261.13x = 42,839,129.11
  5. Step 5: Solve for x
    x = 42,839,129.11/7,261.13
  6. Step 6: Final answer
    x = 5,899.79

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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.