Home / 8,410.40-12,615.58-4,664.47

Finding the Fourth Proportional to 8,410.40, 12,615.58 and 4,664.47

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Solution

The fourth proportional to 8,410.40, 12,615.58 and 4,664.47 is: 6,996.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,410.40 : 12,615.58 = 4,664.47 : x
  2. Step 2: Convert to fraction form
    8,410.40/12,615.58 = 4,664.47/x
  3. Step 3: Cross multiply
    8,410.40x = 12,615.58 × 4,664.47
  4. Step 4: Simplify right side
    8,410.40x = 58,844,994.44
  5. Step 5: Solve for x
    x = 58,844,994.44/8,410.40
  6. Step 6: Final answer
    x = 6,996.69

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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.