Home / 5,309.08-7,924.68-4,686.38

Finding the Fourth Proportional to 5,309.08, 7,924.68 and 4,686.38

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Solution

The fourth proportional to 5,309.08, 7,924.68 and 4,686.38 is: 6,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.08 : 7,924.68 = 4,686.38 : x
  2. Step 2: Convert to fraction form
    5,309.08/7,924.68 = 4,686.38/x
  3. Step 3: Cross multiply
    5,309.08x = 7,924.68 × 4,686.38
  4. Step 4: Simplify right side
    5,309.08x = 37,138,061.86
  5. Step 5: Solve for x
    x = 37,138,061.86/5,309.08
  6. Step 6: Final answer
    x = 6,995.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.