Home / 8,232.89-12,340.47-3,555.10

Finding the Fourth Proportional to 8,232.89, 12,340.47 and 3,555.10

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Solution

The fourth proportional to 8,232.89, 12,340.47 and 3,555.10 is: 5,328.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,232.89 : 12,340.47 = 3,555.10 : x
  2. Step 2: Convert to fraction form
    8,232.89/12,340.47 = 3,555.10/x
  3. Step 3: Cross multiply
    8,232.89x = 12,340.47 × 3,555.10
  4. Step 4: Simplify right side
    8,232.89x = 43,871,543.19
  5. Step 5: Solve for x
    x = 43,871,543.19/8,232.89
  6. Step 6: Final answer
    x = 5,328.82

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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.