Home / 6,451.08-9,679.86-4,810.92

Finding the Fourth Proportional to 6,451.08, 9,679.86 and 4,810.92

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Solution

The fourth proportional to 6,451.08, 9,679.86 and 4,810.92 is: 7,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.08 : 9,679.86 = 4,810.92 : x
  2. Step 2: Convert to fraction form
    6,451.08/9,679.86 = 4,810.92/x
  3. Step 3: Cross multiply
    6,451.08x = 9,679.86 × 4,810.92
  4. Step 4: Simplify right side
    6,451.08x = 46,569,032.07
  5. Step 5: Solve for x
    x = 46,569,032.07/6,451.08
  6. Step 6: Final answer
    x = 7,218.80

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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.