Home / 8,912.90-13,365.41-4,752.14

Finding the Fourth Proportional to 8,912.90, 13,365.41 and 4,752.14

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Solution

The fourth proportional to 8,912.90, 13,365.41 and 4,752.14 is: 7,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.90 : 13,365.41 = 4,752.14 : x
  2. Step 2: Convert to fraction form
    8,912.90/13,365.41 = 4,752.14/x
  3. Step 3: Cross multiply
    8,912.90x = 13,365.41 × 4,752.14
  4. Step 4: Simplify right side
    8,912.90x = 63,514,208.89
  5. Step 5: Solve for x
    x = 63,514,208.89/8,912.90
  6. Step 6: Final answer
    x = 7,126.10

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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.