Home / 5,908.16-8,858.40-3,312.80

Finding the Fourth Proportional to 5,908.16, 8,858.40 and 3,312.80

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Solution

The fourth proportional to 5,908.16, 8,858.40 and 3,312.80 is: 4,967.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,908.16 : 8,858.40 = 3,312.80 : x
  2. Step 2: Convert to fraction form
    5,908.16/8,858.40 = 3,312.80/x
  3. Step 3: Cross multiply
    5,908.16x = 8,858.40 × 3,312.80
  4. Step 4: Simplify right side
    5,908.16x = 29,346,107.52
  5. Step 5: Solve for x
    x = 29,346,107.52/5,908.16
  6. Step 6: Final answer
    x = 4,967.05

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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.