Home / 7,339.08-10,127.94-3,981.90

Finding the Fourth Proportional to 7,339.08, 10,127.94 and 3,981.90

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Solution

The fourth proportional to 7,339.08, 10,127.94 and 3,981.90 is: 5,495.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.08 : 10,127.94 = 3,981.90 : x
  2. Step 2: Convert to fraction form
    7,339.08/10,127.94 = 3,981.90/x
  3. Step 3: Cross multiply
    7,339.08x = 10,127.94 × 3,981.90
  4. Step 4: Simplify right side
    7,339.08x = 40,328,444.29
  5. Step 5: Solve for x
    x = 40,328,444.29/7,339.08
  6. Step 6: Final answer
    x = 5,495.03

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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.