Home / 4,717.38-7,077.21-1,430.28

Finding the Fourth Proportional to 4,717.38, 7,077.21 and 1,430.28

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Solution

The fourth proportional to 4,717.38, 7,077.21 and 1,430.28 is: 2,145.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717.38 : 7,077.21 = 1,430.28 : x
  2. Step 2: Convert to fraction form
    4,717.38/7,077.21 = 1,430.28/x
  3. Step 3: Cross multiply
    4,717.38x = 7,077.21 × 1,430.28
  4. Step 4: Simplify right side
    4,717.38x = 10,122,391.92
  5. Step 5: Solve for x
    x = 10,122,391.92/4,717.38
  6. Step 6: Final answer
    x = 2,145.77

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1.5x scale

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.