Home / 8,890.07-12,264.45-5,112.36

Finding the Fourth Proportional to 8,890.07, 12,264.45 and 5,112.36

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Solution

The fourth proportional to 8,890.07, 12,264.45 and 5,112.36 is: 7,052.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.07 : 12,264.45 = 5,112.36 : x
  2. Step 2: Convert to fraction form
    8,890.07/12,264.45 = 5,112.36/x
  3. Step 3: Cross multiply
    8,890.07x = 12,264.45 × 5,112.36
  4. Step 4: Simplify right side
    8,890.07x = 62,700,283.60
  5. Step 5: Solve for x
    x = 62,700,283.60/8,890.07
  6. Step 6: Final answer
    x = 7,052.85

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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.