Home / 5,307.48-7,960.90-2,186.52

Finding the Fourth Proportional to 5,307.48, 7,960.90 and 2,186.52

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Solution

The fourth proportional to 5,307.48, 7,960.90 and 2,186.52 is: 3,279.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.48 : 7,960.90 = 2,186.52 : x
  2. Step 2: Convert to fraction form
    5,307.48/7,960.90 = 2,186.52/x
  3. Step 3: Cross multiply
    5,307.48x = 7,960.90 × 2,186.52
  4. Step 4: Simplify right side
    5,307.48x = 17,406,667.07
  5. Step 5: Solve for x
    x = 17,406,667.07/5,307.48
  6. Step 6: Final answer
    x = 3,279.65

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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.