Home / 4,717.05-7,076.60-1,430.40

Finding the Fourth Proportional to 4,717.05, 7,076.60 and 1,430.40

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Solution

The fourth proportional to 4,717.05, 7,076.60 and 1,430.40 is: 2,145.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717.05 : 7,076.60 = 1,430.40 : x
  2. Step 2: Convert to fraction form
    4,717.05/7,076.60 = 1,430.40/x
  3. Step 3: Cross multiply
    4,717.05x = 7,076.60 × 1,430.40
  4. Step 4: Simplify right side
    4,717.05x = 10,122,368.64
  5. Step 5: Solve for x
    x = 10,122,368.64/4,717.05
  6. Step 6: Final answer
    x = 2,145.91

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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.