Home / 4,551.07-6,281.50-2,978.25

Finding the Fourth Proportional to 4,551.07, 6,281.50 and 2,978.25

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Solution

The fourth proportional to 4,551.07, 6,281.50 and 2,978.25 is: 4,110.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,551.07 : 6,281.50 = 2,978.25 : x
  2. Step 2: Convert to fraction form
    4,551.07/6,281.50 = 2,978.25/x
  3. Step 3: Cross multiply
    4,551.07x = 6,281.50 × 2,978.25
  4. Step 4: Simplify right side
    4,551.07x = 18,707,869.93
  5. Step 5: Solve for x
    x = 18,707,869.93/4,551.07
  6. Step 6: Final answer
    x = 4,110.66

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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.