Home / 9,777.86-13,504.56-6,628.58

Finding the Fourth Proportional to 9,777.86, 13,504.56 and 6,628.58

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Solution

The fourth proportional to 9,777.86, 13,504.56 and 6,628.58 is: 9,154.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,777.86 : 13,504.56 = 6,628.58 : x
  2. Step 2: Convert to fraction form
    9,777.86/13,504.56 = 6,628.58/x
  3. Step 3: Cross multiply
    9,777.86x = 13,504.56 × 6,628.58
  4. Step 4: Simplify right side
    9,777.86x = 89,515,988.80
  5. Step 5: Solve for x
    x = 89,515,988.80/9,777.86
  6. Step 6: Final answer
    x = 9,154.97

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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.