Home / 6,909.51-9,531.18-4,255.05

Finding the Fourth Proportional to 6,909.51, 9,531.18 and 4,255.05

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Solution

The fourth proportional to 6,909.51, 9,531.18 and 4,255.05 is: 5,869.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.51 : 9,531.18 = 4,255.05 : x
  2. Step 2: Convert to fraction form
    6,909.51/9,531.18 = 4,255.05/x
  3. Step 3: Cross multiply
    6,909.51x = 9,531.18 × 4,255.05
  4. Step 4: Simplify right side
    6,909.51x = 40,555,647.46
  5. Step 5: Solve for x
    x = 40,555,647.46/6,909.51
  6. Step 6: Final answer
    x = 5,869.54

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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.