Home / 7,030.79-10,537.97-3,909.30

Finding the Fourth Proportional to 7,030.79, 10,537.97 and 3,909.30

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Solution

The fourth proportional to 7,030.79, 10,537.97 and 3,909.30 is: 5,859.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.79 : 10,537.97 = 3,909.30 : x
  2. Step 2: Convert to fraction form
    7,030.79/10,537.97 = 3,909.30/x
  3. Step 3: Cross multiply
    7,030.79x = 10,537.97 × 3,909.30
  4. Step 4: Simplify right side
    7,030.79x = 41,196,066.57
  5. Step 5: Solve for x
    x = 41,196,066.57/7,030.79
  6. Step 6: Final answer
    x = 5,859.38

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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.