Home / 8,729.21-12,045.95-4,750.33

Finding the Fourth Proportional to 8,729.21, 12,045.95 and 4,750.33

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Solution

The fourth proportional to 8,729.21, 12,045.95 and 4,750.33 is: 6,555.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.21 : 12,045.95 = 4,750.33 : x
  2. Step 2: Convert to fraction form
    8,729.21/12,045.95 = 4,750.33/x
  3. Step 3: Cross multiply
    8,729.21x = 12,045.95 × 4,750.33
  4. Step 4: Simplify right side
    8,729.21x = 57,222,237.66
  5. Step 5: Solve for x
    x = 57,222,237.66/8,729.21
  6. Step 6: Final answer
    x = 6,555.26

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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.