Home / 4,191.40-6,285.84-1,725.76

Finding the Fourth Proportional to 4,191.40, 6,285.84 and 1,725.76

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Solution

The fourth proportional to 4,191.40, 6,285.84 and 1,725.76 is: 2,588.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.40 : 6,285.84 = 1,725.76 : x
  2. Step 2: Convert to fraction form
    4,191.40/6,285.84 = 1,725.76/x
  3. Step 3: Cross multiply
    4,191.40x = 6,285.84 × 1,725.76
  4. Step 4: Simplify right side
    4,191.40x = 10,847,851.24
  5. Step 5: Solve for x
    x = 10,847,851.24/4,191.40
  6. Step 6: Final answer
    x = 2,588.12

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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.