Home / 8,700.36-13,051.55-2,775.18

Finding the Fourth Proportional to 8,700.36, 13,051.55 and 2,775.18

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Solution

The fourth proportional to 8,700.36, 13,051.55 and 2,775.18 is: 4,163.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.36 : 13,051.55 = 2,775.18 : x
  2. Step 2: Convert to fraction form
    8,700.36/13,051.55 = 2,775.18/x
  3. Step 3: Cross multiply
    8,700.36x = 13,051.55 × 2,775.18
  4. Step 4: Simplify right side
    8,700.36x = 36,220,321.40
  5. Step 5: Solve for x
    x = 36,220,321.40/8,700.36
  6. Step 6: Final answer
    x = 4,163.09

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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.