Home / 4,405.02-6,607.55-1,118.38

Finding the Fourth Proportional to 4,405.02, 6,607.55 and 1,118.38

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Solution

The fourth proportional to 4,405.02, 6,607.55 and 1,118.38 is: 1,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.02 : 6,607.55 = 1,118.38 : x
  2. Step 2: Convert to fraction form
    4,405.02/6,607.55 = 1,118.38/x
  3. Step 3: Cross multiply
    4,405.02x = 6,607.55 × 1,118.38
  4. Step 4: Simplify right side
    4,405.02x = 7,389,751.77
  5. Step 5: Solve for x
    x = 7,389,751.77/4,405.02
  6. Step 6: Final answer
    x = 1,677.58

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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.