Home / 10,497.77-15,750.50-4,878.04

Finding the Fourth Proportional to 10,497.77, 15,750.50 and 4,878.04

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Solution

The fourth proportional to 10,497.77, 15,750.50 and 4,878.04 is: 7,318.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,497.77 : 15,750.50 = 4,878.04 : x
  2. Step 2: Convert to fraction form
    10,497.77/15,750.50 = 4,878.04/x
  3. Step 3: Cross multiply
    10,497.77x = 15,750.50 × 4,878.04
  4. Step 4: Simplify right side
    10,497.77x = 76,831,505.25
  5. Step 5: Solve for x
    x = 76,831,505.25/10,497.77
  6. Step 6: Final answer
    x = 7,318.84

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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.