Home / 5,343.23-8,015.61-1,645.76

Finding the Fourth Proportional to 5,343.23, 8,015.61 and 1,645.76

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Solution

The fourth proportional to 5,343.23, 8,015.61 and 1,645.76 is: 2,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.23 : 8,015.61 = 1,645.76 : x
  2. Step 2: Convert to fraction form
    5,343.23/8,015.61 = 1,645.76/x
  3. Step 3: Cross multiply
    5,343.23x = 8,015.61 × 1,645.76
  4. Step 4: Simplify right side
    5,343.23x = 13,191,762.08
  5. Step 5: Solve for x
    x = 13,191,762.08/5,343.23
  6. Step 6: Final answer
    x = 2,468.87

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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.