Home / 4,339.13-6,509.79-1,261.13

Finding the Fourth Proportional to 4,339.13, 6,509.79 and 1,261.13

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Solution

The fourth proportional to 4,339.13, 6,509.79 and 1,261.13 is: 1,892.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,339.13 : 6,509.79 = 1,261.13 : x
  2. Step 2: Convert to fraction form
    4,339.13/6,509.79 = 1,261.13/x
  3. Step 3: Cross multiply
    4,339.13x = 6,509.79 × 1,261.13
  4. Step 4: Simplify right side
    4,339.13x = 8,209,658.91
  5. Step 5: Solve for x
    x = 8,209,658.91/4,339.13
  6. Step 6: Final answer
    x = 1,892.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.