Home / 8,703.26-13,047.34-3,434.74

Finding the Fourth Proportional to 8,703.26, 13,047.34 and 3,434.74

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Solution

The fourth proportional to 8,703.26, 13,047.34 and 3,434.74 is: 5,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.26 : 13,047.34 = 3,434.74 : x
  2. Step 2: Convert to fraction form
    8,703.26/13,047.34 = 3,434.74/x
  3. Step 3: Cross multiply
    8,703.26x = 13,047.34 × 3,434.74
  4. Step 4: Simplify right side
    8,703.26x = 44,814,220.59
  5. Step 5: Solve for x
    x = 44,814,220.59/8,703.26
  6. Step 6: Final answer
    x = 5,149.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.