Home / 4,457.12-6,685.16-1,170.47

Finding the Fourth Proportional to 4,457.12, 6,685.16 and 1,170.47

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Solution

The fourth proportional to 4,457.12, 6,685.16 and 1,170.47 is: 1,755.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.12 : 6,685.16 = 1,170.47 : x
  2. Step 2: Convert to fraction form
    4,457.12/6,685.16 = 1,170.47/x
  3. Step 3: Cross multiply
    4,457.12x = 6,685.16 × 1,170.47
  4. Step 4: Simplify right side
    4,457.12x = 7,824,739.95
  5. Step 5: Solve for x
    x = 7,824,739.95/4,457.12
  6. Step 6: Final answer
    x = 1,755.56

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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.