Home / 5,560.89-8,341.36-1,665.30

Finding the Fourth Proportional to 5,560.89, 8,341.36 and 1,665.30

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Solution

The fourth proportional to 5,560.89, 8,341.36 and 1,665.30 is: 2,497.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,560.89 : 8,341.36 = 1,665.30 : x
  2. Step 2: Convert to fraction form
    5,560.89/8,341.36 = 1,665.30/x
  3. Step 3: Cross multiply
    5,560.89x = 8,341.36 × 1,665.30
  4. Step 4: Simplify right side
    5,560.89x = 13,890,866.81
  5. Step 5: Solve for x
    x = 13,890,866.81/5,560.89
  6. Step 6: Final answer
    x = 2,497.96

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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.