Home / 8,765.47-12,097.34-4,885.26

Finding the Fourth Proportional to 8,765.47, 12,097.34 and 4,885.26

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Solution

The fourth proportional to 8,765.47, 12,097.34 and 4,885.26 is: 6,742.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.47 : 12,097.34 = 4,885.26 : x
  2. Step 2: Convert to fraction form
    8,765.47/12,097.34 = 4,885.26/x
  3. Step 3: Cross multiply
    8,765.47x = 12,097.34 × 4,885.26
  4. Step 4: Simplify right side
    8,765.47x = 59,098,651.21
  5. Step 5: Solve for x
    x = 59,098,651.21/8,765.47
  6. Step 6: Final answer
    x = 6,742.21

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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.