Home / 8,729.36-12,050.28-6,075.80

Finding the Fourth Proportional to 8,729.36, 12,050.28 and 6,075.80

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Solution

The fourth proportional to 8,729.36, 12,050.28 and 6,075.80 is: 8,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.36 : 12,050.28 = 6,075.80 : x
  2. Step 2: Convert to fraction form
    8,729.36/12,050.28 = 6,075.80/x
  3. Step 3: Cross multiply
    8,729.36x = 12,050.28 × 6,075.80
  4. Step 4: Simplify right side
    8,729.36x = 73,215,091.22
  5. Step 5: Solve for x
    x = 73,215,091.22/8,729.36
  6. Step 6: Final answer
    x = 8,387.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.