Home / 6,312.11-8,710.74-3,622.60

Finding the Fourth Proportional to 6,312.11, 8,710.74 and 3,622.60

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Solution

The fourth proportional to 6,312.11, 8,710.74 and 3,622.60 is: 4,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.11 : 8,710.74 = 3,622.60 : x
  2. Step 2: Convert to fraction form
    6,312.11/8,710.74 = 3,622.60/x
  3. Step 3: Cross multiply
    6,312.11x = 8,710.74 × 3,622.60
  4. Step 4: Simplify right side
    6,312.11x = 31,555,526.72
  5. Step 5: Solve for x
    x = 31,555,526.72/6,312.11
  6. Step 6: Final answer
    x = 4,999.21

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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.