Home / 5,406.40-8,113.20-2,483.20

Finding the Fourth Proportional to 5,406.40, 8,113.20 and 2,483.20

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Solution

The fourth proportional to 5,406.40, 8,113.20 and 2,483.20 is: 3,726.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.40 : 8,113.20 = 2,483.20 : x
  2. Step 2: Convert to fraction form
    5,406.40/8,113.20 = 2,483.20/x
  3. Step 3: Cross multiply
    5,406.40x = 8,113.20 × 2,483.20
  4. Step 4: Simplify right side
    5,406.40x = 20,146,698.24
  5. Step 5: Solve for x
    x = 20,146,698.24/5,406.40
  6. Step 6: Final answer
    x = 3,726.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.