Home / 5,457.32-7,529.36-3,219.95

Finding the Fourth Proportional to 5,457.32, 7,529.36 and 3,219.95

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Solution

The fourth proportional to 5,457.32, 7,529.36 and 3,219.95 is: 4,442.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.32 : 7,529.36 = 3,219.95 : x
  2. Step 2: Convert to fraction form
    5,457.32/7,529.36 = 3,219.95/x
  3. Step 3: Cross multiply
    5,457.32x = 7,529.36 × 3,219.95
  4. Step 4: Simplify right side
    5,457.32x = 24,244,165.46
  5. Step 5: Solve for x
    x = 24,244,165.46/5,457.32
  6. Step 6: Final answer
    x = 4,442.50

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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.