Home / 8,374.84-11,552.07-5,385.49

Finding the Fourth Proportional to 8,374.84, 11,552.07 and 5,385.49

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Solution

The fourth proportional to 8,374.84, 11,552.07 and 5,385.49 is: 7,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.84 : 11,552.07 = 5,385.49 : x
  2. Step 2: Convert to fraction form
    8,374.84/11,552.07 = 5,385.49/x
  3. Step 3: Cross multiply
    8,374.84x = 11,552.07 × 5,385.49
  4. Step 4: Simplify right side
    8,374.84x = 62,213,518.49
  5. Step 5: Solve for x
    x = 62,213,518.49/8,374.84
  6. Step 6: Final answer
    x = 7,428.62

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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.