Home / 5,376.84-7,420.01-3,018.98

Finding the Fourth Proportional to 5,376.84, 7,420.01 and 3,018.98

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Solution

The fourth proportional to 5,376.84, 7,420.01 and 3,018.98 is: 4,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.84 : 7,420.01 = 3,018.98 : x
  2. Step 2: Convert to fraction form
    5,376.84/7,420.01 = 3,018.98/x
  3. Step 3: Cross multiply
    5,376.84x = 7,420.01 × 3,018.98
  4. Step 4: Simplify right side
    5,376.84x = 22,400,861.79
  5. Step 5: Solve for x
    x = 22,400,861.79/5,376.84
  6. Step 6: Final answer
    x = 4,166.18

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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.