Home / 7,109.76-10,670.45-5,031.77

Finding the Fourth Proportional to 7,109.76, 10,670.45 and 5,031.77

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Solution

The fourth proportional to 7,109.76, 10,670.45 and 5,031.77 is: 7,551.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.76 : 10,670.45 = 5,031.77 : x
  2. Step 2: Convert to fraction form
    7,109.76/10,670.45 = 5,031.77/x
  3. Step 3: Cross multiply
    7,109.76x = 10,670.45 × 5,031.77
  4. Step 4: Simplify right side
    7,109.76x = 53,691,250.20
  5. Step 5: Solve for x
    x = 53,691,250.20/7,109.76
  6. Step 6: Final answer
    x = 7,551.77

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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.