Home / 5,012.96-6,913.15-3,739.64

Finding the Fourth Proportional to 5,012.96, 6,913.15 and 3,739.64

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Solution

The fourth proportional to 5,012.96, 6,913.15 and 3,739.64 is: 5,157.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.96 : 6,913.15 = 3,739.64 : x
  2. Step 2: Convert to fraction form
    5,012.96/6,913.15 = 3,739.64/x
  3. Step 3: Cross multiply
    5,012.96x = 6,913.15 × 3,739.64
  4. Step 4: Simplify right side
    5,012.96x = 25,852,700.20
  5. Step 5: Solve for x
    x = 25,852,700.20/5,012.96
  6. Step 6: Final answer
    x = 5,157.18

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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.