Home / 5,406.55-7,460.81-3,048.91

Finding the Fourth Proportional to 5,406.55, 7,460.81 and 3,048.91

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Solution

The fourth proportional to 5,406.55, 7,460.81 and 3,048.91 is: 4,207.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.55 : 7,460.81 = 3,048.91 : x
  2. Step 2: Convert to fraction form
    5,406.55/7,460.81 = 3,048.91/x
  3. Step 3: Cross multiply
    5,406.55x = 7,460.81 × 3,048.91
  4. Step 4: Simplify right side
    5,406.55x = 22,747,315.75
  5. Step 5: Solve for x
    x = 22,747,315.75/5,406.55
  6. Step 6: Final answer
    x = 4,207.36

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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.