Home / 7,125.27-10,690.63-5,018.91

Finding the Fourth Proportional to 7,125.27, 10,690.63 and 5,018.91

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Solution

The fourth proportional to 7,125.27, 10,690.63 and 5,018.91 is: 7,530.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.27 : 10,690.63 = 5,018.91 : x
  2. Step 2: Convert to fraction form
    7,125.27/10,690.63 = 5,018.91/x
  3. Step 3: Cross multiply
    7,125.27x = 10,690.63 × 5,018.91
  4. Step 4: Simplify right side
    7,125.27x = 53,655,345.54
  5. Step 5: Solve for x
    x = 53,655,345.54/7,125.27
  6. Step 6: Final answer
    x = 7,530.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.