Home / 4,728.40-6,525.96-2,866.32

Finding the Fourth Proportional to 4,728.40, 6,525.96 and 2,866.32

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Solution

The fourth proportional to 4,728.40, 6,525.96 and 2,866.32 is: 3,955.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.40 : 6,525.96 = 2,866.32 : x
  2. Step 2: Convert to fraction form
    4,728.40/6,525.96 = 2,866.32/x
  3. Step 3: Cross multiply
    4,728.40x = 6,525.96 × 2,866.32
  4. Step 4: Simplify right side
    4,728.40x = 18,705,489.67
  5. Step 5: Solve for x
    x = 18,705,489.67/4,728.40
  6. Step 6: Final answer
    x = 3,955.99

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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.