Home / 7,877.01-11,809.13-2,945.93

Finding the Fourth Proportional to 7,877.01, 11,809.13 and 2,945.93

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Solution

The fourth proportional to 7,877.01, 11,809.13 and 2,945.93 is: 4,416.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.01 : 11,809.13 = 2,945.93 : x
  2. Step 2: Convert to fraction form
    7,877.01/11,809.13 = 2,945.93/x
  3. Step 3: Cross multiply
    7,877.01x = 11,809.13 × 2,945.93
  4. Step 4: Simplify right side
    7,877.01x = 34,788,907.23
  5. Step 5: Solve for x
    x = 34,788,907.23/7,877.01
  6. Step 6: Final answer
    x = 4,416.51

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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.