Home / 5,707.48-7,872.62-3,347.94

Finding the Fourth Proportional to 5,707.48, 7,872.62 and 3,347.94

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Solution

The fourth proportional to 5,707.48, 7,872.62 and 3,347.94 is: 4,617.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.48 : 7,872.62 = 3,347.94 : x
  2. Step 2: Convert to fraction form
    5,707.48/7,872.62 = 3,347.94/x
  3. Step 3: Cross multiply
    5,707.48x = 7,872.62 × 3,347.94
  4. Step 4: Simplify right side
    5,707.48x = 26,357,059.40
  5. Step 5: Solve for x
    x = 26,357,059.40/5,707.48
  6. Step 6: Final answer
    x = 4,617.99

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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.