Home / 7,971.30-11,956.95-2,424.15

Finding the Fourth Proportional to 7,971.30, 11,956.95 and 2,424.15

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Solution

The fourth proportional to 7,971.30, 11,956.95 and 2,424.15 is: 3,636.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.30 : 11,956.95 = 2,424.15 : x
  2. Step 2: Convert to fraction form
    7,971.30/11,956.95 = 2,424.15/x
  3. Step 3: Cross multiply
    7,971.30x = 11,956.95 × 2,424.15
  4. Step 4: Simplify right side
    7,971.30x = 28,985,440.34
  5. Step 5: Solve for x
    x = 28,985,440.34/7,971.30
  6. Step 6: Final answer
    x = 3,636.23

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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.