Home / 5,807.45-8,014.30-3,154.81

Finding the Fourth Proportional to 5,807.45, 8,014.30 and 3,154.81

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Solution

The fourth proportional to 5,807.45, 8,014.30 and 3,154.81 is: 4,353.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,807.45 : 8,014.30 = 3,154.81 : x
  2. Step 2: Convert to fraction form
    5,807.45/8,014.30 = 3,154.81/x
  3. Step 3: Cross multiply
    5,807.45x = 8,014.30 × 3,154.81
  4. Step 4: Simplify right side
    5,807.45x = 25,283,553.71
  5. Step 5: Solve for x
    x = 25,283,553.71/5,807.45
  6. Step 6: Final answer
    x = 4,353.64

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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.