Home / 4,717.27-7,075.92-1,430.39

Finding the Fourth Proportional to 4,717.27, 7,075.92 and 1,430.39

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Solution

The fourth proportional to 4,717.27, 7,075.92 and 1,430.39 is: 2,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717.27 : 7,075.92 = 1,430.39 : x
  2. Step 2: Convert to fraction form
    4,717.27/7,075.92 = 1,430.39/x
  3. Step 3: Cross multiply
    4,717.27x = 7,075.92 × 1,430.39
  4. Step 4: Simplify right side
    4,717.27x = 10,121,348.26
  5. Step 5: Solve for x
    x = 10,121,348.26/4,717.27
  6. Step 6: Final answer
    x = 2,145.59

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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.