Home / 7,954.60-10,982.40-5,123.04

Finding the Fourth Proportional to 7,954.60, 10,982.40 and 5,123.04

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Solution

The fourth proportional to 7,954.60, 10,982.40 and 5,123.04 is: 7,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.60 : 10,982.40 = 5,123.04 : x
  2. Step 2: Convert to fraction form
    7,954.60/10,982.40 = 5,123.04/x
  3. Step 3: Cross multiply
    7,954.60x = 10,982.40 × 5,123.04
  4. Step 4: Simplify right side
    7,954.60x = 56,263,274.50
  5. Step 5: Solve for x
    x = 56,263,274.50/7,954.60
  6. Step 6: Final answer
    x = 7,073.05

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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.