Home / 5,559.89-8,339.86-1,664.30

Finding the Fourth Proportional to 5,559.89, 8,339.86 and 1,664.30

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Solution

The fourth proportional to 5,559.89, 8,339.86 and 1,664.30 is: 2,496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.89 : 8,339.86 = 1,664.30 : x
  2. Step 2: Convert to fraction form
    5,559.89/8,339.86 = 1,664.30/x
  3. Step 3: Cross multiply
    5,559.89x = 8,339.86 × 1,664.30
  4. Step 4: Simplify right side
    5,559.89x = 13,880,005.02
  5. Step 5: Solve for x
    x = 13,880,005.02/5,559.89
  6. Step 6: Final answer
    x = 2,496.45

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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.