Home / 7,887.20-10,883.98-4,302.07

Finding the Fourth Proportional to 7,887.20, 10,883.98 and 4,302.07

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Solution

The fourth proportional to 7,887.20, 10,883.98 and 4,302.07 is: 5,936.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.20 : 10,883.98 = 4,302.07 : x
  2. Step 2: Convert to fraction form
    7,887.20/10,883.98 = 4,302.07/x
  3. Step 3: Cross multiply
    7,887.20x = 10,883.98 × 4,302.07
  4. Step 4: Simplify right side
    7,887.20x = 46,823,605.87
  5. Step 5: Solve for x
    x = 46,823,605.87/7,887.20
  6. Step 6: Final answer
    x = 5,936.66

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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.