Home / 5,307.18-7,319.49-3,983.82

Finding the Fourth Proportional to 5,307.18, 7,319.49 and 3,983.82

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Solution

The fourth proportional to 5,307.18, 7,319.49 and 3,983.82 is: 5,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.18 : 7,319.49 = 3,983.82 : x
  2. Step 2: Convert to fraction form
    5,307.18/7,319.49 = 3,983.82/x
  3. Step 3: Cross multiply
    5,307.18x = 7,319.49 × 3,983.82
  4. Step 4: Simplify right side
    5,307.18x = 29,159,530.65
  5. Step 5: Solve for x
    x = 29,159,530.65/5,307.18
  6. Step 6: Final answer
    x = 5,494.35

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1.5x scale

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.