Home / 5,316.27-7,328.84-3,739.47

Finding the Fourth Proportional to 5,316.27, 7,328.84 and 3,739.47

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Solution

The fourth proportional to 5,316.27, 7,328.84 and 3,739.47 is: 5,155.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.27 : 7,328.84 = 3,739.47 : x
  2. Step 2: Convert to fraction form
    5,316.27/7,328.84 = 3,739.47/x
  3. Step 3: Cross multiply
    5,316.27x = 7,328.84 × 3,739.47
  4. Step 4: Simplify right side
    5,316.27x = 27,405,977.31
  5. Step 5: Solve for x
    x = 27,405,977.31/5,316.27
  6. Step 6: Final answer
    x = 5,155.11

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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.