Home / 7,964.87-10,994.51-5,981.16

Finding the Fourth Proportional to 7,964.87, 10,994.51 and 5,981.16

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Solution

The fourth proportional to 7,964.87, 10,994.51 and 5,981.16 is: 8,256.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.87 : 10,994.51 = 5,981.16 : x
  2. Step 2: Convert to fraction form
    7,964.87/10,994.51 = 5,981.16/x
  3. Step 3: Cross multiply
    7,964.87x = 10,994.51 × 5,981.16
  4. Step 4: Simplify right side
    7,964.87x = 65,759,893.53
  5. Step 5: Solve for x
    x = 65,759,893.53/7,964.87
  6. Step 6: Final answer
    x = 8,256.25

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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.