Home / 8,888.40-13,319.64-4,993.92

Finding the Fourth Proportional to 8,888.40, 13,319.64 and 4,993.92

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Solution

The fourth proportional to 8,888.40, 13,319.64 and 4,993.92 is: 7,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.40 : 13,319.64 = 4,993.92 : x
  2. Step 2: Convert to fraction form
    8,888.40/13,319.64 = 4,993.92/x
  3. Step 3: Cross multiply
    8,888.40x = 13,319.64 × 4,993.92
  4. Step 4: Simplify right side
    8,888.40x = 66,517,216.59
  5. Step 5: Solve for x
    x = 66,517,216.59/8,888.40
  6. Step 6: Final answer
    x = 7,483.60

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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.