Home / 7,277.80-10,887.90-6,586.60

Finding the Fourth Proportional to 7,277.80, 10,887.90 and 6,586.60

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Solution

The fourth proportional to 7,277.80, 10,887.90 and 6,586.60 is: 9,853.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.80 : 10,887.90 = 6,586.60 : x
  2. Step 2: Convert to fraction form
    7,277.80/10,887.90 = 6,586.60/x
  3. Step 3: Cross multiply
    7,277.80x = 10,887.90 × 6,586.60
  4. Step 4: Simplify right side
    7,277.80x = 71,714,242.14
  5. Step 5: Solve for x
    x = 71,714,242.14/7,277.80
  6. Step 6: Final answer
    x = 9,853.84

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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.