Home / 6,206.51-9,312.80-2,919.93

Finding the Fourth Proportional to 6,206.51, 9,312.80 and 2,919.93

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Solution

The fourth proportional to 6,206.51, 9,312.80 and 2,919.93 is: 4,381.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,206.51 : 9,312.80 = 2,919.93 : x
  2. Step 2: Convert to fraction form
    6,206.51/9,312.80 = 2,919.93/x
  3. Step 3: Cross multiply
    6,206.51x = 9,312.80 × 2,919.93
  4. Step 4: Simplify right side
    6,206.51x = 27,192,724.10
  5. Step 5: Solve for x
    x = 27,192,724.10/6,206.51
  6. Step 6: Final answer
    x = 4,381.32

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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.