Home / 8,911.24-12,303.10-5,725.96

Finding the Fourth Proportional to 8,911.24, 12,303.10 and 5,725.96

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Solution

The fourth proportional to 8,911.24, 12,303.10 and 5,725.96 is: 7,905.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.24 : 12,303.10 = 5,725.96 : x
  2. Step 2: Convert to fraction form
    8,911.24/12,303.10 = 5,725.96/x
  3. Step 3: Cross multiply
    8,911.24x = 12,303.10 × 5,725.96
  4. Step 4: Simplify right side
    8,911.24x = 70,447,058.48
  5. Step 5: Solve for x
    x = 70,447,058.48/8,911.24
  6. Step 6: Final answer
    x = 7,905.42

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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.