Home / 5,457.36-7,529.85-3,219.06

Finding the Fourth Proportional to 5,457.36, 7,529.85 and 3,219.06

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Solution

The fourth proportional to 5,457.36, 7,529.85 and 3,219.06 is: 4,441.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.36 : 7,529.85 = 3,219.06 : x
  2. Step 2: Convert to fraction form
    5,457.36/7,529.85 = 3,219.06/x
  3. Step 3: Cross multiply
    5,457.36x = 7,529.85 × 3,219.06
  4. Step 4: Simplify right side
    5,457.36x = 24,239,038.94
  5. Step 5: Solve for x
    x = 24,239,038.94/5,457.36
  6. Step 6: Final answer
    x = 4,441.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.