Home / 9,421.25-14,134.16-2,847.06

Finding the Fourth Proportional to 9,421.25, 14,134.16 and 2,847.06

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Solution

The fourth proportional to 9,421.25, 14,134.16 and 2,847.06 is: 4,271.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.25 : 14,134.16 = 2,847.06 : x
  2. Step 2: Convert to fraction form
    9,421.25/14,134.16 = 2,847.06/x
  3. Step 3: Cross multiply
    9,421.25x = 14,134.16 × 2,847.06
  4. Step 4: Simplify right side
    9,421.25x = 40,240,808.69
  5. Step 5: Solve for x
    x = 40,240,808.69/9,421.25
  6. Step 6: Final answer
    x = 4,271.28

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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.