Home / 9,065.39-13,592.48-3,140.89

Finding the Fourth Proportional to 9,065.39, 13,592.48 and 3,140.89

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Solution

The fourth proportional to 9,065.39, 13,592.48 and 3,140.89 is: 4,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,065.39 : 13,592.48 = 3,140.89 : x
  2. Step 2: Convert to fraction form
    9,065.39/13,592.48 = 3,140.89/x
  3. Step 3: Cross multiply
    9,065.39x = 13,592.48 × 3,140.89
  4. Step 4: Simplify right side
    9,065.39x = 42,692,520.11
  5. Step 5: Solve for x
    x = 42,692,520.11/9,065.39
  6. Step 6: Final answer
    x = 4,709.40

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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.