Home / 5,347.62-7,379.76-2,957.94

Finding the Fourth Proportional to 5,347.62, 7,379.76 and 2,957.94

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Solution

The fourth proportional to 5,347.62, 7,379.76 and 2,957.94 is: 4,081.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.62 : 7,379.76 = 2,957.94 : x
  2. Step 2: Convert to fraction form
    5,347.62/7,379.76 = 2,957.94/x
  3. Step 3: Cross multiply
    5,347.62x = 7,379.76 × 2,957.94
  4. Step 4: Simplify right side
    5,347.62x = 21,828,887.29
  5. Step 5: Solve for x
    x = 21,828,887.29/5,347.62
  6. Step 6: Final answer
    x = 4,081.98

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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.