Home / 7,214.85-10,814.18-4,720.83

Finding the Fourth Proportional to 7,214.85, 10,814.18 and 4,720.83

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Solution

The fourth proportional to 7,214.85, 10,814.18 and 4,720.83 is: 7,075.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.85 : 10,814.18 = 4,720.83 : x
  2. Step 2: Convert to fraction form
    7,214.85/10,814.18 = 4,720.83/x
  3. Step 3: Cross multiply
    7,214.85x = 10,814.18 × 4,720.83
  4. Step 4: Simplify right side
    7,214.85x = 51,051,905.37
  5. Step 5: Solve for x
    x = 51,051,905.37/7,214.85
  6. Step 6: Final answer
    x = 7,075.95

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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.