Home / 4,278.14-6,423.18-2,199.91

Finding the Fourth Proportional to 4,278.14, 6,423.18 and 2,199.91

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Solution

The fourth proportional to 4,278.14, 6,423.18 and 2,199.91 is: 3,302.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.14 : 6,423.18 = 2,199.91 : x
  2. Step 2: Convert to fraction form
    4,278.14/6,423.18 = 2,199.91/x
  3. Step 3: Cross multiply
    4,278.14x = 6,423.18 × 2,199.91
  4. Step 4: Simplify right side
    4,278.14x = 14,130,417.91
  5. Step 5: Solve for x
    x = 14,130,417.91/4,278.14
  6. Step 6: Final answer
    x = 3,302.93

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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.