Home / 8,717.21-13,075.38-4,776.17

Finding the Fourth Proportional to 8,717.21, 13,075.38 and 4,776.17

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Solution

The fourth proportional to 8,717.21, 13,075.38 and 4,776.17 is: 7,164.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.21 : 13,075.38 = 4,776.17 : x
  2. Step 2: Convert to fraction form
    8,717.21/13,075.38 = 4,776.17/x
  3. Step 3: Cross multiply
    8,717.21x = 13,075.38 × 4,776.17
  4. Step 4: Simplify right side
    8,717.21x = 62,450,201.94
  5. Step 5: Solve for x
    x = 62,450,201.94/8,717.21
  6. Step 6: Final answer
    x = 7,164.01

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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.