Home / 8,605.17-12,908.40-4,442.58

Finding the Fourth Proportional to 8,605.17, 12,908.40 and 4,442.58

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Solution

The fourth proportional to 8,605.17, 12,908.40 and 4,442.58 is: 6,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,605.17 : 12,908.40 = 4,442.58 : x
  2. Step 2: Convert to fraction form
    8,605.17/12,908.40 = 4,442.58/x
  3. Step 3: Cross multiply
    8,605.17x = 12,908.40 × 4,442.58
  4. Step 4: Simplify right side
    8,605.17x = 57,346,583.01
  5. Step 5: Solve for x
    x = 57,346,583.01/8,605.17
  6. Step 6: Final answer
    x = 6,664.20

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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.