Home / 5,637.39-8,457.57-2,127.45

Finding the Fourth Proportional to 5,637.39, 8,457.57 and 2,127.45

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Solution

The fourth proportional to 5,637.39, 8,457.57 and 2,127.45 is: 3,191.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.39 : 8,457.57 = 2,127.45 : x
  2. Step 2: Convert to fraction form
    5,637.39/8,457.57 = 2,127.45/x
  3. Step 3: Cross multiply
    5,637.39x = 8,457.57 × 2,127.45
  4. Step 4: Simplify right side
    5,637.39x = 17,993,057.30
  5. Step 5: Solve for x
    x = 17,993,057.30/5,637.39
  6. Step 6: Final answer
    x = 3,191.74

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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.