Home / 9,070.28-12,519.21-5,536.45

Finding the Fourth Proportional to 9,070.28, 12,519.21 and 5,536.45

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Solution

The fourth proportional to 9,070.28, 12,519.21 and 5,536.45 is: 7,641.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.28 : 12,519.21 = 5,536.45 : x
  2. Step 2: Convert to fraction form
    9,070.28/12,519.21 = 5,536.45/x
  3. Step 3: Cross multiply
    9,070.28x = 12,519.21 × 5,536.45
  4. Step 4: Simplify right side
    9,070.28x = 69,311,985.47
  5. Step 5: Solve for x
    x = 69,311,985.47/9,070.28
  6. Step 6: Final answer
    x = 7,641.66

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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.