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Finding the Fourth Proportional to 8,888.36, 13,332.54 and 2,648.21

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Solution

The fourth proportional to 8,888.36, 13,332.54 and 2,648.21 is: 3,972.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.36 : 13,332.54 = 2,648.21 : x
  2. Step 2: Convert to fraction form
    8,888.36/13,332.54 = 2,648.21/x
  3. Step 3: Cross multiply
    8,888.36x = 13,332.54 × 2,648.21
  4. Step 4: Simplify right side
    8,888.36x = 35,307,405.71
  5. Step 5: Solve for x
    x = 35,307,405.71/8,888.36
  6. Step 6: Final answer
    x = 3,972.32

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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.