Home / 8,722.08-13,075.02-2,877.39

Finding the Fourth Proportional to 8,722.08, 13,075.02 and 2,877.39

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Solution

The fourth proportional to 8,722.08, 13,075.02 and 2,877.39 is: 4,313.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.08 : 13,075.02 = 2,877.39 : x
  2. Step 2: Convert to fraction form
    8,722.08/13,075.02 = 2,877.39/x
  3. Step 3: Cross multiply
    8,722.08x = 13,075.02 × 2,877.39
  4. Step 4: Simplify right side
    8,722.08x = 37,621,931.80
  5. Step 5: Solve for x
    x = 37,621,931.80/8,722.08
  6. Step 6: Final answer
    x = 4,313.41

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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.