Home / 9,154.04-13,731.92-2,580.40

Finding the Fourth Proportional to 9,154.04, 13,731.92 and 2,580.40

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Solution

The fourth proportional to 9,154.04, 13,731.92 and 2,580.40 is: 3,870.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.04 : 13,731.92 = 2,580.40 : x
  2. Step 2: Convert to fraction form
    9,154.04/13,731.92 = 2,580.40/x
  3. Step 3: Cross multiply
    9,154.04x = 13,731.92 × 2,580.40
  4. Step 4: Simplify right side
    9,154.04x = 35,433,846.37
  5. Step 5: Solve for x
    x = 35,433,846.37/9,154.04
  6. Step 6: Final answer
    x = 3,870.84

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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.