Home / 6,422.28-9,623.85-4,670.64

Finding the Fourth Proportional to 6,422.28, 9,623.85 and 4,670.64

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Solution

The fourth proportional to 6,422.28, 9,623.85 and 4,670.64 is: 6,999.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.28 : 9,623.85 = 4,670.64 : x
  2. Step 2: Convert to fraction form
    6,422.28/9,623.85 = 4,670.64/x
  3. Step 3: Cross multiply
    6,422.28x = 9,623.85 × 4,670.64
  4. Step 4: Simplify right side
    6,422.28x = 44,949,538.76
  5. Step 5: Solve for x
    x = 44,949,538.76/6,422.28
  6. Step 6: Final answer
    x = 6,999.00

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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.