Home / 8,811.02-13,211.01-4,648.40

Finding the Fourth Proportional to 8,811.02, 13,211.01 and 4,648.40

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Solution

The fourth proportional to 8,811.02, 13,211.01 and 4,648.40 is: 6,969.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.02 : 13,211.01 = 4,648.40 : x
  2. Step 2: Convert to fraction form
    8,811.02/13,211.01 = 4,648.40/x
  3. Step 3: Cross multiply
    8,811.02x = 13,211.01 × 4,648.40
  4. Step 4: Simplify right side
    8,811.02x = 61,410,058.88
  5. Step 5: Solve for x
    x = 61,410,058.88/8,811.02
  6. Step 6: Final answer
    x = 6,969.69

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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.