Home / 7,899.04-11,849.64-3,516.40

Finding the Fourth Proportional to 7,899.04, 11,849.64 and 3,516.40

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Solution

The fourth proportional to 7,899.04, 11,849.64 and 3,516.40 is: 5,275.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.04 : 11,849.64 = 3,516.40 : x
  2. Step 2: Convert to fraction form
    7,899.04/11,849.64 = 3,516.40/x
  3. Step 3: Cross multiply
    7,899.04x = 11,849.64 × 3,516.40
  4. Step 4: Simplify right side
    7,899.04x = 41,668,074.10
  5. Step 5: Solve for x
    x = 41,668,074.10/7,899.04
  6. Step 6: Final answer
    x = 5,275.08

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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.