Home / 9,127.04-13,690.64-2,971.04

Finding the Fourth Proportional to 9,127.04, 13,690.64 and 2,971.04

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Solution

The fourth proportional to 9,127.04, 13,690.64 and 2,971.04 is: 4,456.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.04 : 13,690.64 = 2,971.04 : x
  2. Step 2: Convert to fraction form
    9,127.04/13,690.64 = 2,971.04/x
  3. Step 3: Cross multiply
    9,127.04x = 13,690.64 × 2,971.04
  4. Step 4: Simplify right side
    9,127.04x = 40,675,439.07
  5. Step 5: Solve for x
    x = 40,675,439.07/9,127.04
  6. Step 6: Final answer
    x = 4,456.59

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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.