Home / 6,525.10-8,999.40-5,978.35

Finding the Fourth Proportional to 6,525.10, 8,999.40 and 5,978.35

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Solution

The fourth proportional to 6,525.10, 8,999.40 and 5,978.35 is: 8,245.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,525.10 : 8,999.40 = 5,978.35 : x
  2. Step 2: Convert to fraction form
    6,525.10/8,999.40 = 5,978.35/x
  3. Step 3: Cross multiply
    6,525.10x = 8,999.40 × 5,978.35
  4. Step 4: Simplify right side
    6,525.10x = 53,801,562.99
  5. Step 5: Solve for x
    x = 53,801,562.99/6,525.10
  6. Step 6: Final answer
    x = 8,245.32

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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.