Home / 8,695.40-13,043.88-2,455.49

Finding the Fourth Proportional to 8,695.40, 13,043.88 and 2,455.49

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Solution

The fourth proportional to 8,695.40, 13,043.88 and 2,455.49 is: 3,683.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.40 : 13,043.88 = 2,455.49 : x
  2. Step 2: Convert to fraction form
    8,695.40/13,043.88 = 2,455.49/x
  3. Step 3: Cross multiply
    8,695.40x = 13,043.88 × 2,455.49
  4. Step 4: Simplify right side
    8,695.40x = 32,029,149.51
  5. Step 5: Solve for x
    x = 32,029,149.51/8,695.40
  6. Step 6: Final answer
    x = 3,683.46

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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.