Home / 8,355.29-12,533.47-3,090.15

Finding the Fourth Proportional to 8,355.29, 12,533.47 and 3,090.15

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Solution

The fourth proportional to 8,355.29, 12,533.47 and 3,090.15 is: 4,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.29 : 12,533.47 = 3,090.15 : x
  2. Step 2: Convert to fraction form
    8,355.29/12,533.47 = 3,090.15/x
  3. Step 3: Cross multiply
    8,355.29x = 12,533.47 × 3,090.15
  4. Step 4: Simplify right side
    8,355.29x = 38,730,294.60
  5. Step 5: Solve for x
    x = 38,730,294.60/8,355.29
  6. Step 6: Final answer
    x = 4,635.42

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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.