Home / 7,109.60-10,670.21-5,031.62

Finding the Fourth Proportional to 7,109.60, 10,670.21 and 5,031.62

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Solution

The fourth proportional to 7,109.60, 10,670.21 and 5,031.62 is: 7,551.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.60 : 10,670.21 = 5,031.62 : x
  2. Step 2: Convert to fraction form
    7,109.60/10,670.21 = 5,031.62/x
  3. Step 3: Cross multiply
    7,109.60x = 10,670.21 × 5,031.62
  4. Step 4: Simplify right side
    7,109.60x = 53,688,408.26
  5. Step 5: Solve for x
    x = 53,688,408.26/7,109.60
  6. Step 6: Final answer
    x = 7,551.54

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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.