Home / 5,203.52-7,805.20-1,307.93

Finding the Fourth Proportional to 5,203.52, 7,805.20 and 1,307.93

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Solution

The fourth proportional to 5,203.52, 7,805.20 and 1,307.93 is: 1,961.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.52 : 7,805.20 = 1,307.93 : x
  2. Step 2: Convert to fraction form
    5,203.52/7,805.20 = 1,307.93/x
  3. Step 3: Cross multiply
    5,203.52x = 7,805.20 × 1,307.93
  4. Step 4: Simplify right side
    5,203.52x = 10,208,655.24
  5. Step 5: Solve for x
    x = 10,208,655.24/5,203.52
  6. Step 6: Final answer
    x = 1,961.87

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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.