Home / 6,403.18-8,836.25-3,570.55

Finding the Fourth Proportional to 6,403.18, 8,836.25 and 3,570.55

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Solution

The fourth proportional to 6,403.18, 8,836.25 and 3,570.55 is: 4,927.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.18 : 8,836.25 = 3,570.55 : x
  2. Step 2: Convert to fraction form
    6,403.18/8,836.25 = 3,570.55/x
  3. Step 3: Cross multiply
    6,403.18x = 8,836.25 × 3,570.55
  4. Step 4: Simplify right side
    6,403.18x = 31,550,272.44
  5. Step 5: Solve for x
    x = 31,550,272.44/6,403.18
  6. Step 6: Final answer
    x = 4,927.28

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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.