Home / 6,861.24-9,465.12-4,620.24

Finding the Fourth Proportional to 6,861.24, 9,465.12 and 4,620.24

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Solution

The fourth proportional to 6,861.24, 9,465.12 and 4,620.24 is: 6,373.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.24 : 9,465.12 = 4,620.24 : x
  2. Step 2: Convert to fraction form
    6,861.24/9,465.12 = 4,620.24/x
  3. Step 3: Cross multiply
    6,861.24x = 9,465.12 × 4,620.24
  4. Step 4: Simplify right side
    6,861.24x = 43,731,126.03
  5. Step 5: Solve for x
    x = 43,731,126.03/6,861.24
  6. Step 6: Final answer
    x = 6,373.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.