Home / 7,407.39-11,109.88-2,477.02

Finding the Fourth Proportional to 7,407.39, 11,109.88 and 2,477.02

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Solution

The fourth proportional to 7,407.39, 11,109.88 and 2,477.02 is: 3,715.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.39 : 11,109.88 = 2,477.02 : x
  2. Step 2: Convert to fraction form
    7,407.39/11,109.88 = 2,477.02/x
  3. Step 3: Cross multiply
    7,407.39x = 11,109.88 × 2,477.02
  4. Step 4: Simplify right side
    7,407.39x = 27,519,394.96
  5. Step 5: Solve for x
    x = 27,519,394.96/7,407.39
  6. Step 6: Final answer
    x = 3,715.13

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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.