Home / 4,887.45-7,329.10-1,925.43

Finding the Fourth Proportional to 4,887.45, 7,329.10 and 1,925.43

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Solution

The fourth proportional to 4,887.45, 7,329.10 and 1,925.43 is: 2,887.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.45 : 7,329.10 = 1,925.43 : x
  2. Step 2: Convert to fraction form
    4,887.45/7,329.10 = 1,925.43/x
  3. Step 3: Cross multiply
    4,887.45x = 7,329.10 × 1,925.43
  4. Step 4: Simplify right side
    4,887.45x = 14,111,669.01
  5. Step 5: Solve for x
    x = 14,111,669.01/4,887.45
  6. Step 6: Final answer
    x = 2,887.33

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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.