Home / 7,264.85-10,887.71-2,879.92

Finding the Fourth Proportional to 7,264.85, 10,887.71 and 2,879.92

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Solution

The fourth proportional to 7,264.85, 10,887.71 and 2,879.92 is: 4,316.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,264.85 : 10,887.71 = 2,879.92 : x
  2. Step 2: Convert to fraction form
    7,264.85/10,887.71 = 2,879.92/x
  3. Step 3: Cross multiply
    7,264.85x = 10,887.71 × 2,879.92
  4. Step 4: Simplify right side
    7,264.85x = 31,355,692.16
  5. Step 5: Solve for x
    x = 31,355,692.16/7,264.85
  6. Step 6: Final answer
    x = 4,316.08

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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.