Home / 4,702.13-7,053.10-1,239.38

Finding the Fourth Proportional to 4,702.13, 7,053.10 and 1,239.38

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Solution

The fourth proportional to 4,702.13, 7,053.10 and 1,239.38 is: 1,859.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.13 : 7,053.10 = 1,239.38 : x
  2. Step 2: Convert to fraction form
    4,702.13/7,053.10 = 1,239.38/x
  3. Step 3: Cross multiply
    4,702.13x = 7,053.10 × 1,239.38
  4. Step 4: Simplify right side
    4,702.13x = 8,741,485.61
  5. Step 5: Solve for x
    x = 8,741,485.61/4,702.13
  6. Step 6: Final answer
    x = 1,859.05

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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.