Home / 5,641.60-8,460.80-3,442.24

Finding the Fourth Proportional to 5,641.60, 8,460.80 and 3,442.24

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Solution

The fourth proportional to 5,641.60, 8,460.80 and 3,442.24 is: 5,162.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641.60 : 8,460.80 = 3,442.24 : x
  2. Step 2: Convert to fraction form
    5,641.60/8,460.80 = 3,442.24/x
  3. Step 3: Cross multiply
    5,641.60x = 8,460.80 × 3,442.24
  4. Step 4: Simplify right side
    5,641.60x = 29,124,104.19
  5. Step 5: Solve for x
    x = 29,124,104.19/5,641.60
  6. Step 6: Final answer
    x = 5,162.38

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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.