Home / 5,345.34-8,018.05-1,647.60

Finding the Fourth Proportional to 5,345.34, 8,018.05 and 1,647.60

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Solution

The fourth proportional to 5,345.34, 8,018.05 and 1,647.60 is: 2,471.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.34 : 8,018.05 = 1,647.60 : x
  2. Step 2: Convert to fraction form
    5,345.34/8,018.05 = 1,647.60/x
  3. Step 3: Cross multiply
    5,345.34x = 8,018.05 × 1,647.60
  4. Step 4: Simplify right side
    5,345.34x = 13,210,539.18
  5. Step 5: Solve for x
    x = 13,210,539.18/5,345.34
  6. Step 6: Final answer
    x = 2,471.41

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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.