Home / 8,515.01-11,750.64-4,686.87

Finding the Fourth Proportional to 8,515.01, 11,750.64 and 4,686.87

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Solution

The fourth proportional to 8,515.01, 11,750.64 and 4,686.87 is: 6,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.01 : 11,750.64 = 4,686.87 : x
  2. Step 2: Convert to fraction form
    8,515.01/11,750.64 = 4,686.87/x
  3. Step 3: Cross multiply
    8,515.01x = 11,750.64 × 4,686.87
  4. Step 4: Simplify right side
    8,515.01x = 55,073,722.10
  5. Step 5: Solve for x
    x = 55,073,722.10/8,515.01
  6. Step 6: Final answer
    x = 6,467.84

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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.