Home / 6,277.48-9,417.90-2,117.80

Finding the Fourth Proportional to 6,277.48, 9,417.90 and 2,117.80

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Solution

The fourth proportional to 6,277.48, 9,417.90 and 2,117.80 is: 3,177.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,277.48 : 9,417.90 = 2,117.80 : x
  2. Step 2: Convert to fraction form
    6,277.48/9,417.90 = 2,117.80/x
  3. Step 3: Cross multiply
    6,277.48x = 9,417.90 × 2,117.80
  4. Step 4: Simplify right side
    6,277.48x = 19,945,228.62
  5. Step 5: Solve for x
    x = 19,945,228.62/6,277.48
  6. Step 6: Final answer
    x = 3,177.27

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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.