Home / 8,867.02-13,303.56-3,940.12

Finding the Fourth Proportional to 8,867.02, 13,303.56 and 3,940.12

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Solution

The fourth proportional to 8,867.02, 13,303.56 and 3,940.12 is: 5,911.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.02 : 13,303.56 = 3,940.12 : x
  2. Step 2: Convert to fraction form
    8,867.02/13,303.56 = 3,940.12/x
  3. Step 3: Cross multiply
    8,867.02x = 13,303.56 × 3,940.12
  4. Step 4: Simplify right side
    8,867.02x = 52,417,622.83
  5. Step 5: Solve for x
    x = 52,417,622.83/8,867.02
  6. Step 6: Final answer
    x = 5,911.53

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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.