Home / 8,765.02-12,089.73-5,225.50

Finding the Fourth Proportional to 8,765.02, 12,089.73 and 5,225.50

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Solution

The fourth proportional to 8,765.02, 12,089.73 and 5,225.50 is: 7,207.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.02 : 12,089.73 = 5,225.50 : x
  2. Step 2: Convert to fraction form
    8,765.02/12,089.73 = 5,225.50/x
  3. Step 3: Cross multiply
    8,765.02x = 12,089.73 × 5,225.50
  4. Step 4: Simplify right side
    8,765.02x = 63,174,884.12
  5. Step 5: Solve for x
    x = 63,174,884.12/8,765.02
  6. Step 6: Final answer
    x = 7,207.61

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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.