Home / 4,405.17-6,607.45-1,285.05

Finding the Fourth Proportional to 4,405.17, 6,607.45 and 1,285.05

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Solution

The fourth proportional to 4,405.17, 6,607.45 and 1,285.05 is: 1,927.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.17 : 6,607.45 = 1,285.05 : x
  2. Step 2: Convert to fraction form
    4,405.17/6,607.45 = 1,285.05/x
  3. Step 3: Cross multiply
    4,405.17x = 6,607.45 × 1,285.05
  4. Step 4: Simplify right side
    4,405.17x = 8,490,903.62
  5. Step 5: Solve for x
    x = 8,490,903.62/4,405.17
  6. Step 6: Final answer
    x = 1,927.49

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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.