Home / 8,529.12-12,776.60-6,777.08

Finding the Fourth Proportional to 8,529.12, 12,776.60 and 6,777.08

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Solution

The fourth proportional to 8,529.12, 12,776.60 and 6,777.08 is: 10,152.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.12 : 12,776.60 = 6,777.08 : x
  2. Step 2: Convert to fraction form
    8,529.12/12,776.60 = 6,777.08/x
  3. Step 3: Cross multiply
    8,529.12x = 12,776.60 × 6,777.08
  4. Step 4: Simplify right side
    8,529.12x = 86,588,040.33
  5. Step 5: Solve for x
    x = 86,588,040.33/8,529.12
  6. Step 6: Final answer
    x = 10,152.05

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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.