Home / 8,807.02-13,205.76-3,870.88

Finding the Fourth Proportional to 8,807.02, 13,205.76 and 3,870.88

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Solution

The fourth proportional to 8,807.02, 13,205.76 and 3,870.88 is: 5,804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.02 : 13,205.76 = 3,870.88 : x
  2. Step 2: Convert to fraction form
    8,807.02/13,205.76 = 3,870.88/x
  3. Step 3: Cross multiply
    8,807.02x = 13,205.76 × 3,870.88
  4. Step 4: Simplify right side
    8,807.02x = 51,117,912.27
  5. Step 5: Solve for x
    x = 51,117,912.27/8,807.02
  6. Step 6: Final answer
    x = 5,804.22

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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.