Home / 7,013.23-9,677.55-4,141.51

Finding the Fourth Proportional to 7,013.23, 9,677.55 and 4,141.51

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Solution

The fourth proportional to 7,013.23, 9,677.55 and 4,141.51 is: 5,714.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.23 : 9,677.55 = 4,141.51 : x
  2. Step 2: Convert to fraction form
    7,013.23/9,677.55 = 4,141.51/x
  3. Step 3: Cross multiply
    7,013.23x = 9,677.55 × 4,141.51
  4. Step 4: Simplify right side
    7,013.23x = 40,079,670.10
  5. Step 5: Solve for x
    x = 40,079,670.10/7,013.23
  6. Step 6: Final answer
    x = 5,714.87

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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.