Home / 7,905.90-10,910.85-4,370.25

Finding the Fourth Proportional to 7,905.90, 10,910.85 and 4,370.25

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Solution

The fourth proportional to 7,905.90, 10,910.85 and 4,370.25 is: 6,031.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.90 : 10,910.85 = 4,370.25 : x
  2. Step 2: Convert to fraction form
    7,905.90/10,910.85 = 4,370.25/x
  3. Step 3: Cross multiply
    7,905.90x = 10,910.85 × 4,370.25
  4. Step 4: Simplify right side
    7,905.90x = 47,683,142.21
  5. Step 5: Solve for x
    x = 47,683,142.21/7,905.90
  6. Step 6: Final answer
    x = 6,031.34

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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.