Home / 7,730.04-10,672.05-5,082.06

Finding the Fourth Proportional to 7,730.04, 10,672.05 and 5,082.06

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Solution

The fourth proportional to 7,730.04, 10,672.05 and 5,082.06 is: 7,016.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.04 : 10,672.05 = 5,082.06 : x
  2. Step 2: Convert to fraction form
    7,730.04/10,672.05 = 5,082.06/x
  3. Step 3: Cross multiply
    7,730.04x = 10,672.05 × 5,082.06
  4. Step 4: Simplify right side
    7,730.04x = 54,235,998.42
  5. Step 5: Solve for x
    x = 54,235,998.42/7,730.04
  6. Step 6: Final answer
    x = 7,016.26

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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.