Home / 6,143.98-9,176.81-5,558.08

Finding the Fourth Proportional to 6,143.98, 9,176.81 and 5,558.08

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Solution

The fourth proportional to 6,143.98, 9,176.81 and 5,558.08 is: 8,301.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.98 : 9,176.81 = 5,558.08 : x
  2. Step 2: Convert to fraction form
    6,143.98/9,176.81 = 5,558.08/x
  3. Step 3: Cross multiply
    6,143.98x = 9,176.81 × 5,558.08
  4. Step 4: Simplify right side
    6,143.98x = 51,005,444.12
  5. Step 5: Solve for x
    x = 51,005,444.12/6,143.98
  6. Step 6: Final answer
    x = 8,301.69

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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.