Home / 6,605.80-9,117.30-4,512.76

Finding the Fourth Proportional to 6,605.80, 9,117.30 and 4,512.76

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Solution

The fourth proportional to 6,605.80, 9,117.30 and 4,512.76 is: 6,228.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.80 : 9,117.30 = 4,512.76 : x
  2. Step 2: Convert to fraction form
    6,605.80/9,117.30 = 4,512.76/x
  3. Step 3: Cross multiply
    6,605.80x = 9,117.30 × 4,512.76
  4. Step 4: Simplify right side
    6,605.80x = 41,144,186.75
  5. Step 5: Solve for x
    x = 41,144,186.75/6,605.80
  6. Step 6: Final answer
    x = 6,228.49

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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.