Home / 5,561.20-8,341.26-1,457.20

Finding the Fourth Proportional to 5,561.20, 8,341.26 and 1,457.20

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Solution

The fourth proportional to 5,561.20, 8,341.26 and 1,457.20 is: 2,185.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.20 : 8,341.26 = 1,457.20 : x
  2. Step 2: Convert to fraction form
    5,561.20/8,341.26 = 1,457.20/x
  3. Step 3: Cross multiply
    5,561.20x = 8,341.26 × 1,457.20
  4. Step 4: Simplify right side
    5,561.20x = 12,154,884.07
  5. Step 5: Solve for x
    x = 12,154,884.07/5,561.20
  6. Step 6: Final answer
    x = 2,185.66

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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.