Home / 6,518.60-8,995.55-3,534.38

Finding the Fourth Proportional to 6,518.60, 8,995.55 and 3,534.38

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Solution

The fourth proportional to 6,518.60, 8,995.55 and 3,534.38 is: 4,877.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.60 : 8,995.55 = 3,534.38 : x
  2. Step 2: Convert to fraction form
    6,518.60/8,995.55 = 3,534.38/x
  3. Step 3: Cross multiply
    6,518.60x = 8,995.55 × 3,534.38
  4. Step 4: Simplify right side
    6,518.60x = 31,793,629.36
  5. Step 5: Solve for x
    x = 31,793,629.36/6,518.60
  6. Step 6: Final answer
    x = 4,877.37

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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.