Home / 5,198.39-7,159.20-4,864.87

Finding the Fourth Proportional to 5,198.39, 7,159.20 and 4,864.87

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Solution

The fourth proportional to 5,198.39, 7,159.20 and 4,864.87 is: 6,699.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.39 : 7,159.20 = 4,864.87 : x
  2. Step 2: Convert to fraction form
    5,198.39/7,159.20 = 4,864.87/x
  3. Step 3: Cross multiply
    5,198.39x = 7,159.20 × 4,864.87
  4. Step 4: Simplify right side
    5,198.39x = 34,828,541.51
  5. Step 5: Solve for x
    x = 34,828,541.51/5,198.39
  6. Step 6: Final answer
    x = 6,699.87

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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.