Home / 5,424.56-8,127.54-3,642.28

Finding the Fourth Proportional to 5,424.56, 8,127.54 and 3,642.28

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Solution

The fourth proportional to 5,424.56, 8,127.54 and 3,642.28 is: 5,457.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.56 : 8,127.54 = 3,642.28 : x
  2. Step 2: Convert to fraction form
    5,424.56/8,127.54 = 3,642.28/x
  3. Step 3: Cross multiply
    5,424.56x = 8,127.54 × 3,642.28
  4. Step 4: Simplify right side
    5,424.56x = 29,602,776.39
  5. Step 5: Solve for x
    x = 29,602,776.39/5,424.56
  6. Step 6: Final answer
    x = 5,457.18

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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.