Home / 4,457.32-6,681.98-2,505.40

Finding the Fourth Proportional to 4,457.32, 6,681.98 and 2,505.40

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Solution

The fourth proportional to 4,457.32, 6,681.98 and 2,505.40 is: 3,755.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.32 : 6,681.98 = 2,505.40 : x
  2. Step 2: Convert to fraction form
    4,457.32/6,681.98 = 2,505.40/x
  3. Step 3: Cross multiply
    4,457.32x = 6,681.98 × 2,505.40
  4. Step 4: Simplify right side
    4,457.32x = 16,741,032.69
  5. Step 5: Solve for x
    x = 16,741,032.69/4,457.32
  6. Step 6: Final answer
    x = 3,755.85

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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.