Home / 7,966.42-10,999.13-4,983.70

Finding the Fourth Proportional to 7,966.42, 10,999.13 and 4,983.70

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Solution

The fourth proportional to 7,966.42, 10,999.13 and 4,983.70 is: 6,880.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.42 : 10,999.13 = 4,983.70 : x
  2. Step 2: Convert to fraction form
    7,966.42/10,999.13 = 4,983.70/x
  3. Step 3: Cross multiply
    7,966.42x = 10,999.13 × 4,983.70
  4. Step 4: Simplify right side
    7,966.42x = 54,816,364.18
  5. Step 5: Solve for x
    x = 54,816,364.18/7,966.42
  6. Step 6: Final answer
    x = 6,880.93

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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.