Home / 4,689.12-7,035.84-2,382.24

Finding the Fourth Proportional to 4,689.12, 7,035.84 and 2,382.24

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Solution

The fourth proportional to 4,689.12, 7,035.84 and 2,382.24 is: 3,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.12 : 7,035.84 = 2,382.24 : x
  2. Step 2: Convert to fraction form
    4,689.12/7,035.84 = 2,382.24/x
  3. Step 3: Cross multiply
    4,689.12x = 7,035.84 × 2,382.24
  4. Step 4: Simplify right side
    4,689.12x = 16,761,059.48
  5. Step 5: Solve for x
    x = 16,761,059.48/4,689.12
  6. Step 6: Final answer
    x = 3,574.46

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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.