Home / 8,445.34-11,655.57-5,089.85

Finding the Fourth Proportional to 8,445.34, 11,655.57 and 5,089.85

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Solution

The fourth proportional to 8,445.34, 11,655.57 and 5,089.85 is: 7,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.34 : 11,655.57 = 5,089.85 : x
  2. Step 2: Convert to fraction form
    8,445.34/11,655.57 = 5,089.85/x
  3. Step 3: Cross multiply
    8,445.34x = 11,655.57 × 5,089.85
  4. Step 4: Simplify right side
    8,445.34x = 59,325,102.96
  5. Step 5: Solve for x
    x = 59,325,102.96/8,445.34
  6. Step 6: Final answer
    x = 7,024.60

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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.