Home / 6,984.90-10,477.48-5,591.77

Finding the Fourth Proportional to 6,984.90, 10,477.48 and 5,591.77

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Solution

The fourth proportional to 6,984.90, 10,477.48 and 5,591.77 is: 8,387.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984.90 : 10,477.48 = 5,591.77 : x
  2. Step 2: Convert to fraction form
    6,984.90/10,477.48 = 5,591.77/x
  3. Step 3: Cross multiply
    6,984.90x = 10,477.48 × 5,591.77
  4. Step 4: Simplify right side
    6,984.90x = 58,587,658.34
  5. Step 5: Solve for x
    x = 58,587,658.34/6,984.90
  6. Step 6: Final answer
    x = 8,387.76

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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.