Home / 6,277.60-9,417.30-2,117.80

Finding the Fourth Proportional to 6,277.60, 9,417.30 and 2,117.80

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Solution

The fourth proportional to 6,277.60, 9,417.30 and 2,117.80 is: 3,177.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,277.60 : 9,417.30 = 2,117.80 : x
  2. Step 2: Convert to fraction form
    6,277.60/9,417.30 = 2,117.80/x
  3. Step 3: Cross multiply
    6,277.60x = 9,417.30 × 2,117.80
  4. Step 4: Simplify right side
    6,277.60x = 19,943,957.94
  5. Step 5: Solve for x
    x = 19,943,957.94/6,277.60
  6. Step 6: Final answer
    x = 3,177.00

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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.