Home / 7,887.09-11,830.23-2,956.35

Finding the Fourth Proportional to 7,887.09, 11,830.23 and 2,956.35

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Solution

The fourth proportional to 7,887.09, 11,830.23 and 2,956.35 is: 4,434.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.09 : 11,830.23 = 2,956.35 : x
  2. Step 2: Convert to fraction form
    7,887.09/11,830.23 = 2,956.35/x
  3. Step 3: Cross multiply
    7,887.09x = 11,830.23 × 2,956.35
  4. Step 4: Simplify right side
    7,887.09x = 34,974,300.46
  5. Step 5: Solve for x
    x = 34,974,300.46/7,887.09
  6. Step 6: Final answer
    x = 4,434.37

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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.