Home / 4,123.10-6,184.65-2,891.90

Finding the Fourth Proportional to 4,123.10, 6,184.65 and 2,891.90

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Solution

The fourth proportional to 4,123.10, 6,184.65 and 2,891.90 is: 4,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.10 : 6,184.65 = 2,891.90 : x
  2. Step 2: Convert to fraction form
    4,123.10/6,184.65 = 2,891.90/x
  3. Step 3: Cross multiply
    4,123.10x = 6,184.65 × 2,891.90
  4. Step 4: Simplify right side
    4,123.10x = 17,885,389.34
  5. Step 5: Solve for x
    x = 17,885,389.34/4,123.10
  6. Step 6: Final answer
    x = 4,337.85

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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.