Home / 5,561.02-8,340.90-1,664.50

Finding the Fourth Proportional to 5,561.02, 8,340.90 and 1,664.50

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Solution

The fourth proportional to 5,561.02, 8,340.90 and 1,664.50 is: 2,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.02 : 8,340.90 = 1,664.50 : x
  2. Step 2: Convert to fraction form
    5,561.02/8,340.90 = 1,664.50/x
  3. Step 3: Cross multiply
    5,561.02x = 8,340.90 × 1,664.50
  4. Step 4: Simplify right side
    5,561.02x = 13,883,428.05
  5. Step 5: Solve for x
    x = 13,883,428.05/5,561.02
  6. Step 6: Final answer
    x = 2,496.56

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Double scale
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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.