Home / 5,485.96-7,569.76-3,127.24

Finding the Fourth Proportional to 5,485.96, 7,569.76 and 3,127.24

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Solution

The fourth proportional to 5,485.96, 7,569.76 and 3,127.24 is: 4,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.96 : 7,569.76 = 3,127.24 : x
  2. Step 2: Convert to fraction form
    5,485.96/7,569.76 = 3,127.24/x
  3. Step 3: Cross multiply
    5,485.96x = 7,569.76 × 3,127.24
  4. Step 4: Simplify right side
    5,485.96x = 23,672,456.26
  5. Step 5: Solve for x
    x = 23,672,456.26/5,485.96
  6. Step 6: Final answer
    x = 4,315.10

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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.