Home / 7,142.58-10,711.98-2,461.86

Finding the Fourth Proportional to 7,142.58, 10,711.98 and 2,461.86

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Solution

The fourth proportional to 7,142.58, 10,711.98 and 2,461.86 is: 3,692.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142.58 : 10,711.98 = 2,461.86 : x
  2. Step 2: Convert to fraction form
    7,142.58/10,711.98 = 2,461.86/x
  3. Step 3: Cross multiply
    7,142.58x = 10,711.98 × 2,461.86
  4. Step 4: Simplify right side
    7,142.58x = 26,371,395.08
  5. Step 5: Solve for x
    x = 26,371,395.08/7,142.58
  6. Step 6: Final answer
    x = 3,692.14

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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.