Home / 7,973.11-11,002.81-4,387.95

Finding the Fourth Proportional to 7,973.11, 11,002.81 and 4,387.95

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Solution

The fourth proportional to 7,973.11, 11,002.81 and 4,387.95 is: 6,055.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973.11 : 11,002.81 = 4,387.95 : x
  2. Step 2: Convert to fraction form
    7,973.11/11,002.81 = 4,387.95/x
  3. Step 3: Cross multiply
    7,973.11x = 11,002.81 × 4,387.95
  4. Step 4: Simplify right side
    7,973.11x = 48,279,780.14
  5. Step 5: Solve for x
    x = 48,279,780.14/7,973.11
  6. Step 6: Final answer
    x = 6,055.33

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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.