Home / 5,459.30-8,184.32-1,948.24

Finding the Fourth Proportional to 5,459.30, 8,184.32 and 1,948.24

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Solution

The fourth proportional to 5,459.30, 8,184.32 and 1,948.24 is: 2,920.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.30 : 8,184.32 = 1,948.24 : x
  2. Step 2: Convert to fraction form
    5,459.30/8,184.32 = 1,948.24/x
  3. Step 3: Cross multiply
    5,459.30x = 8,184.32 × 1,948.24
  4. Step 4: Simplify right side
    5,459.30x = 15,945,019.60
  5. Step 5: Solve for x
    x = 15,945,019.60/5,459.30
  6. Step 6: Final answer
    x = 2,920.71

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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.