Home / 8,889.13-12,271.41-5,533.03

Finding the Fourth Proportional to 8,889.13, 12,271.41 and 5,533.03

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Solution

The fourth proportional to 8,889.13, 12,271.41 and 5,533.03 is: 7,638.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.13 : 12,271.41 = 5,533.03 : x
  2. Step 2: Convert to fraction form
    8,889.13/12,271.41 = 5,533.03/x
  3. Step 3: Cross multiply
    8,889.13x = 12,271.41 × 5,533.03
  4. Step 4: Simplify right side
    8,889.13x = 67,898,079.67
  5. Step 5: Solve for x
    x = 67,898,079.67/8,889.13
  6. Step 6: Final answer
    x = 7,638.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.