Home / 6,456.88-9,681.54-4,619.80

Finding the Fourth Proportional to 6,456.88, 9,681.54 and 4,619.80

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Solution

The fourth proportional to 6,456.88, 9,681.54 and 4,619.80 is: 6,927.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.88 : 9,681.54 = 4,619.80 : x
  2. Step 2: Convert to fraction form
    6,456.88/9,681.54 = 4,619.80/x
  3. Step 3: Cross multiply
    6,456.88x = 9,681.54 × 4,619.80
  4. Step 4: Simplify right side
    6,456.88x = 44,726,778.49
  5. Step 5: Solve for x
    x = 44,726,778.49/6,456.88
  6. Step 6: Final answer
    x = 6,927.00

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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.