Home / 9,070.20-12,513.12-5,291.49

Finding the Fourth Proportional to 9,070.20, 12,513.12 and 5,291.49

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Solution

The fourth proportional to 9,070.20, 12,513.12 and 5,291.49 is: 7,300.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.20 : 12,513.12 = 5,291.49 : x
  2. Step 2: Convert to fraction form
    9,070.20/12,513.12 = 5,291.49/x
  3. Step 3: Cross multiply
    9,070.20x = 12,513.12 × 5,291.49
  4. Step 4: Simplify right side
    9,070.20x = 66,213,049.35
  5. Step 5: Solve for x
    x = 66,213,049.35/9,070.20
  6. Step 6: Final answer
    x = 7,300.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.