Home / 5,655.15-8,479.69-1,956.29

Finding the Fourth Proportional to 5,655.15, 8,479.69 and 1,956.29

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Solution

The fourth proportional to 5,655.15, 8,479.69 and 1,956.29 is: 2,933.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.15 : 8,479.69 = 1,956.29 : x
  2. Step 2: Convert to fraction form
    5,655.15/8,479.69 = 1,956.29/x
  3. Step 3: Cross multiply
    5,655.15x = 8,479.69 × 1,956.29
  4. Step 4: Simplify right side
    5,655.15x = 16,588,685.46
  5. Step 5: Solve for x
    x = 16,588,685.46/5,655.15
  6. Step 6: Final answer
    x = 2,933.38

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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.