Home / 5,685.02-8,529.54-1,988.27

Finding the Fourth Proportional to 5,685.02, 8,529.54 and 1,988.27

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Solution

The fourth proportional to 5,685.02, 8,529.54 and 1,988.27 is: 2,983.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.02 : 8,529.54 = 1,988.27 : x
  2. Step 2: Convert to fraction form
    5,685.02/8,529.54 = 1,988.27/x
  3. Step 3: Cross multiply
    5,685.02x = 8,529.54 × 1,988.27
  4. Step 4: Simplify right side
    5,685.02x = 16,959,028.50
  5. Step 5: Solve for x
    x = 16,959,028.50/5,685.02
  6. Step 6: Final answer
    x = 2,983.11

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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.