Home / 7,855.48-10,832.34-5,862.84

Finding the Fourth Proportional to 7,855.48, 10,832.34 and 5,862.84

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Solution

The fourth proportional to 7,855.48, 10,832.34 and 5,862.84 is: 8,084.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.48 : 10,832.34 = 5,862.84 : x
  2. Step 2: Convert to fraction form
    7,855.48/10,832.34 = 5,862.84/x
  3. Step 3: Cross multiply
    7,855.48x = 10,832.34 × 5,862.84
  4. Step 4: Simplify right side
    7,855.48x = 63,508,276.25
  5. Step 5: Solve for x
    x = 63,508,276.25/7,855.48
  6. Step 6: Final answer
    x = 8,084.58

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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.