Home / 6,442.61-8,883.78-5,596.05

Finding the Fourth Proportional to 6,442.61, 8,883.78 and 5,596.05

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Solution

The fourth proportional to 6,442.61, 8,883.78 and 5,596.05 is: 7,716.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442.61 : 8,883.78 = 5,596.05 : x
  2. Step 2: Convert to fraction form
    6,442.61/8,883.78 = 5,596.05/x
  3. Step 3: Cross multiply
    6,442.61x = 8,883.78 × 5,596.05
  4. Step 4: Simplify right side
    6,442.61x = 49,714,089.40
  5. Step 5: Solve for x
    x = 49,714,089.40/6,442.61
  6. Step 6: Final answer
    x = 7,716.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.