Home / 7,956.40-10,981.12-4,814.32

Finding the Fourth Proportional to 7,956.40, 10,981.12 and 4,814.32

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Solution

The fourth proportional to 7,956.40, 10,981.12 and 4,814.32 is: 6,644.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.40 : 10,981.12 = 4,814.32 : x
  2. Step 2: Convert to fraction form
    7,956.40/10,981.12 = 4,814.32/x
  3. Step 3: Cross multiply
    7,956.40x = 10,981.12 × 4,814.32
  4. Step 4: Simplify right side
    7,956.40x = 52,866,625.64
  5. Step 5: Solve for x
    x = 52,866,625.64/7,956.40
  6. Step 6: Final answer
    x = 6,644.54

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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.