Home / 7,981.54-11,014.53-4,445.45

Finding the Fourth Proportional to 7,981.54, 11,014.53 and 4,445.45

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Solution

The fourth proportional to 7,981.54, 11,014.53 and 4,445.45 is: 6,134.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.54 : 11,014.53 = 4,445.45 : x
  2. Step 2: Convert to fraction form
    7,981.54/11,014.53 = 4,445.45/x
  3. Step 3: Cross multiply
    7,981.54x = 11,014.53 × 4,445.45
  4. Step 4: Simplify right side
    7,981.54x = 48,964,487.32
  5. Step 5: Solve for x
    x = 48,964,487.32/7,981.54
  6. Step 6: Final answer
    x = 6,134.72

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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.