Home / 4,717.76-7,075.01-1,385.13

Finding the Fourth Proportional to 4,717.76, 7,075.01 and 1,385.13

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Solution

The fourth proportional to 4,717.76, 7,075.01 and 1,385.13 is: 2,077.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717.76 : 7,075.01 = 1,385.13 : x
  2. Step 2: Convert to fraction form
    4,717.76/7,075.01 = 1,385.13/x
  3. Step 3: Cross multiply
    4,717.76x = 7,075.01 × 1,385.13
  4. Step 4: Simplify right side
    4,717.76x = 9,799,801.68
  5. Step 5: Solve for x
    x = 9,799,801.68/4,717.76
  6. Step 6: Final answer
    x = 2,077.22

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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.