Home / 8,465.60-12,699.58-3,534.11

Finding the Fourth Proportional to 8,465.60, 12,699.58 and 3,534.11

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Solution

The fourth proportional to 8,465.60, 12,699.58 and 3,534.11 is: 5,301.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.60 : 12,699.58 = 3,534.11 : x
  2. Step 2: Convert to fraction form
    8,465.60/12,699.58 = 3,534.11/x
  3. Step 3: Cross multiply
    8,465.60x = 12,699.58 × 3,534.11
  4. Step 4: Simplify right side
    8,465.60x = 44,881,712.67
  5. Step 5: Solve for x
    x = 44,881,712.67/8,465.60
  6. Step 6: Final answer
    x = 5,301.66

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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.